Assignee
BYERS JOHN E
3 granted patents·101 citations·filing 1974–1983
Top patents by PatentIndex Score
3 records- 0192US3945753ADrill bit deviceBYERS JOHN E·Filed 1974·Granted Mar 23, 1976·70 cites·8 claims
- 0268US4418588ASharpening device for single edge type cutting bladesBYERS JOHN E·Filed 1982·Granted Dec 6, 1983·25 cites·7 claims
- 0336US4510824ASharpener device with guide meansBYERS JOHN E·Filed 1983·Granted Apr 16, 1985·6 cites·8 claims
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