Individual holder
KELLER DAVID A
US·4 granted patents·144 citations·filing 1978–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0194US4168730AApparatus and methods for forming dovetail jointsKELLER DAVID A·Filed 1978·Granted Sep 25, 1979·64 cites·11 claims
- 0273US5199477AApparatus and method for forming dovetail jointsKELLER DAVID A·Filed 1992·Granted Apr 6, 1993·31 cites·12 claims
- 0369US5139062AStructure and method for cutting pins in a dovetail jointKELLER DAVID A·Filed 1991·Granted Aug 18, 1992·26 cites·15 claims
- 0464US5143132ASystem for making dovetail joints including acute and obtuse angle dovetails and box jointsKELLER DAVID A·Filed 1990·Granted Sep 1, 1992·23 cites·13 claims
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