| 1 |
| Patent ID | Title | Date Filed |
| 5724274 | Personal computer module system and method of using
| June 20, 1995 |
| 5719776 | Apparatus for determining a postage fee
| February 27, 1996 |
| 5708458 | Method of and apparatus for using the digitizer sensor loop array of a computing device as an antenna for a radio frequency link to an external data source
| December 15, 1994 |
| 5706000 | Position detecting device and position pointing device therefor
| December 20, 1994 |
| 5663748 | Electronic book having highlighting feature
| December 14, 1995 |
| 5657052 | Keypad dialog terminal
| April 18, 1995 |
| 5601489 | Compact electronic apparatus with removable processing units
| August 29, 1994 |
| 5576981 | Portable computer with interchangeable keypad and method for operating same
| November 17, 1993 |
| 5572573 | Removable user interface for use with interactive electronic devices
| January 25, 1994 |
| 5436857 | Personal computer module system and method of using
| November 22, 1993 |
| 5432711 | Interface for use with a process instrumentation system
| October 16, 1992 |
| 5428355 | Position encoder system
| March 23, 1992 |
| 5416610 | Integral computer scanning system
| April 1, 1994 |
| 5412586 | Method and system for interfacing a computer processor with a calculator keyboard and calculator
| March 1, 1993 |
| 5410141 | Hand-held data capture system with interchangable modules
| January 7, 1992 |
| 5237487 | Transaction terminal having base module and portable module
| March 2, 1992 |
| 5233502 | Removable and reversible display device for portable computer
| March 11, 1992 |
| 5191329 | Data entry device with automatic sheet identification
| November 13, 1989 |
| 5181029 | Electronic keyboard template
| May 13, 1991 |
| 5166683 | Function key guide and template
| February 20, 1991 |
| 5150118 | Interchangeable coded key pad assemblies alternately attachable to a user definable keyboard to enable programmable keyboard functions
| December 14, 1990 |
| 5144302 | Modular keyboard
| March 6, 1991 |
| 5075686 | Switch input device
| January 23, 1990 |
| 4994988 | Printer having a multi-mode control panel selectively manipulatable between varying modes of operation
| March 7, 1988 |
| 4935888 | Computer keyboard template system
| May 9, 1988 |
| 4916740 | Input apparatus for computer
| June 2, 1989 |
| 4890832 | Compact electronic apparatus with removable processing units
| April 22, 1988 |
| 4890006 | Rotary lock swtich for switching and resetting a computer
| September 7, 1988 |
| 4862497 | Hybrid alphanumeric telephone directory
| December 17, 1987 |
| 4722065 | Electronically programmable calculator with memory package
| March 22, 1985 |
| 4683550 | Personal computer instrumentation system including carrier board having bus-oriented plug-in instrumentation modules
| July 30, 1984 |
| 4680455 | Method of manipulating a calculation and device used therewith
| March 31, 1986 |
| 4639881 | Data input unit and method for printing machines
| June 1, 1983 |
| 4631700 | Magnetically coded software for multi-purpose computer
| August 11, 1983 |
| 4385366 | Programmable device using selectively connectable memory module to simultaneously define the functional capability and the display associated with input switches
| September 2, 1980 |
| 4333155 | Calculator having a modular keyboard
| May 18, 1979 |
| 4279021 | Portable data entry apparatus including plural selectable functional configurations
| February 15, 1979 |
| 4259668 | Television set/calculator interface including exchangeable keyboard panel and program memory cartridge
| May 14, 1979 |
| 4181966 | Adaptable programmed calculator including a percent keyboard operator
| April 28, 1976 |
| 4153937 | Microprocessor system having high order capability
| April 1, 1977 |
| 4119839 | Keyboard mask for general-purpose calculator
| November 30, 1976 |
| 4092527 | Calculator with interchangeable keyset
| January 31, 1977 |
| 4091446 | Desk top electronic computer with a removably mounted ROM
| January 7, 1976 |
| 4020467 | Miniaturized key entry and translation circuitry arrangement for a data processing unit
| September 27, 1974 |
| 3978328 | Pocket calculator
| April 7, 1975 |
| 3971925 | Adaptable programmed calculator having provision for plug-in keyboard and memory modules
| June 6, 1974 |
| RE33229 | Remote display device for a microcomputer with optical communication
| November 18, 1988 |
| 1 |