Inventor · disambiguated record
Donald J. Wierschke
Also filed as: WIERSCHKE DONALD J · WIERSCHKE DONALD JOHN
5 granted patents·26 citations·filing 1982–2003
75Inventor score
Top patents by PatentIndex Score
5 records- 0148US4394341AMethod to center and separate electroformed replicas from a matrixRCA CORP·Filed 1982·Granted Jul 19, 1983·12 cites·6 claims
- 0240US4445995ACathode head having improved seal meansRCA CORP·Filed 1983·Granted May 1, 1984·6 cites·6 claims
- 0336US4431487AMatrixing apparatus and method for use in the manufacture of molded recordsRCA CORP·Filed 1983·Granted Feb 14, 1984·4 cites·9 claims
- 0435US4500393AMethod for the manufacture of record stampersRCA CORP·Filed 1984·Granted Feb 19, 1985·4 cites·6 claims
- 0532US7208864B2Oxide cathode for electron gun with a differentially doped metallic substrateTHOMSON LICENSING·Filed 2003·Granted Apr 24, 2007·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →