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Your search returned 33 patents.
( 324/656 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 4467272 | Circuit for measuring inductance changes
| April 14, 1982 |
| 4439724 | Apparatus for determining the number of turns of a magnetic coil
| November 28, 1980 |
| 4258315 | Inductance meter
| December 21, 1978 |
| 4074186 | Conductivity measuring instrument having linearization means and a digital read-out
| September 19, 1975 |
| 3932806 | Surge comparison type coil tester
| October 4, 1974 |
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