Inventor · disambiguated record
Frederick C. Ewald
Also filed as: EWALD FREDERICK C
6 granted patents·2,995 citations·filing 1987–1992
91Inventor score
Top patents by PatentIndex Score
6 records- 0198US4822365AMethod of design of human joint prosthesisWALKER PETER S·Filed 1987·Granted Apr 18, 1989·517 cites·3 claims
- 0297US4936862AMethod of designing and manufacturing a human joint prosthesisWALKER PETER S·Filed 1988·Granted Jun 26, 1990·1.2k cites·10 claims
- 0393US5002547AApparatus for knee prosthesisPFIZER HOSPITAL PROD·Filed 1988·Granted Mar 26, 1991·484 cites·2 claims
- 0487US4822362AProcess and apparatus for tibial plateau compenentWALKER PETER S·Filed 1987·Granted Apr 18, 1989·207 cites·8 claims
- 0586US5250050AApparatus for knee prosthesisPFIZER HOSPITAL PROD·Filed 1992·Granted Oct 5, 1993·374 cites·1 claims
- 0676US5116338AApparatus for knee prosthesisPFIZER HOSPITAL PROD·Filed 1991·Granted May 26, 1992·207 cites·9 claims
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