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Your search returned 44 patents.
( 705/19 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 3963910 | Automatic tax calculating apparatus
| August 5, 1974 |
| 3946217 | Electronic cash register capable of calculating sales tax
| July 26, 1974 |
| 3944801 | Method and apparatus for automatic sales tax computation
| September 3, 1974 |
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