Inventor · disambiguated record
Richard Marquardt, Jr.
Also filed as: MARQUARDT JR RICHARD · MARQUARDT RICHARD · MARQUARDT RICHARD C
3 granted patents·207 citations·filing 1978–1997
77Inventor score
Top patents by PatentIndex Score
3 records- 0188US5729533ATwo-sided, light-readable information recording disc stacks and methods of making sameWAE MANUFACTURING INC·Filed 1995·Granted Mar 17, 1998·110 cites·4 claims
- 0287US6160787AMultiple layer optical recording medium for use with two different wavelength laser beamsWEA MFG INC·Filed 1997·Granted Dec 12, 2000·84 cites·4 claims
- 0349US4182045ADevice for checking involutes and helix angles of gearsKLINGELNBERG SOEHNE FERD·Filed 1978·Granted Jan 8, 1980·13 cites·10 claims
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