Inventor · disambiguated record

John Rolker

Also filed as: ROLKER JOHN · ROLKER JOHN H

2 granted patents·35 citations·filing 1974–1994

55Inventor score

Technology areasC08F G11B

Files withBELL & HOWELL CO1 EASTMAN KODAK CO1

Top patents by PatentIndex Score

2 records

0179US5398145ATracking control apparatus including a servo head having a tapered transducing gapEASTMAN KODAK CO·Filed 1994·Granted Mar 14, 1995·35 cites·8 claims
0216US3959231AMethod of modifying polymers and novel productBELL & HOWELL CO·Filed 1974·Granted May 25, 1976·0 cites·7 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →