Inventor · disambiguated record
Donald L. Rolph
Also filed as: ROLPH DONALD L
5 granted patents·267 citations·filing 1977–1989
85Inventor score
Technology areasG11B
Top patents by PatentIndex Score
5 records- 0195US4965685ARemovable cartridge disc drive with radial arm voice coil actuatorSYQUEST TECHNOLOGY·Filed 1989·Granted Oct 23, 1990·76 cites·21 claims
- 0294US4125883AApparatus for centering and clamping a flexible magnetic recording discMEMOREX CORP·Filed 1977·Granted Nov 14, 1978·64 cites·5 claims
- 0392US4870518ARemovable cartridge disc drive with radial arm voice coil actuatorSYQUEST TECHNOLOGY·Filed 1988·Granted Sep 26, 1989·54 cites·28 claims
- 0492US4864452ARemovable cartridge with lockable access doorSYQUEST TECHNOLOGY·Filed 1988·Granted Sep 5, 1989·57 cites·12 claims
- 0571US4179718AFlexible magnetic recording disc drive with interlock to protect recording disc cartridgeMEMOREX CORP·Filed 1977·Granted Dec 18, 1979·16 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →