Individual holder
RATCLIFF HENRY K
GB·2 granted patents·106 citations·filing 1983–1984
Individually held — no corporate assignee on record.
Technology mixB06B2
Top patents by PatentIndex Score
2 records- 0187US4554477ADrive circuit for a plurality of ultrasonic generators using auto follow and frequency sweepRATCLIFF HENRY K·Filed 1983·Granted Nov 19, 1985·63 cites·4 claims
- 0281US4588917ADrive circuit for an ultrasonic generator systemRATCLIFF HENRY K·Filed 1984·Granted May 13, 1986·43 cites·6 claims
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