Inventor · disambiguated record
Richard J. Duchek
Also filed as: DUCHEK RICHARD J
3 granted patents·36 citations·filing 1986–1993
71Inventor score
Files withZENITH ELECTRONICS CORP3
Top patents by PatentIndex Score
3 records- 0167US5343803AMethod and apparatus for direct contact printing screens on CRT faceplatesZENITH ELECTRONICS CORP·Filed 1993·Granted Sep 6, 1994·15 cites·9 claims
- 0248US5167558ASystem for registering and assembling tension masks and CRT faceplatesZENITH ELECTRONICS CORP·Filed 1991·Granted Dec 1, 1992·9 cites·26 claims
- 0339US4724474APower bridge rectifier assemblyZENITH ELECTRONICS CORP·Filed 1986·Granted Feb 9, 1988·12 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →