Inventor · disambiguated record
Donald C. Rockola
Also filed as: ROCKOLA DONALD C
12 granted patents·404 citations·filing 1979–1991
92Inventor score
Top patents by PatentIndex Score
12 records- 0192US4258838AAutomatic phonograph bonus award systemROCKOLA DONALD C·Filed 1979·Granted Mar 31, 1981·110 cites·7 claims
- 0281USD306092SVending machineROCK OLA MFG CORPORATION·Filed 1989·Granted Feb 20, 1990·22 cites·1 claims
- 0378US4306644ACoin chute for vending machineROCK OLA MFG CORP·Filed 1980·Granted Dec 22, 1981·66 cites·2 claims
- 0474US5080256ASlant shelf magazine for automatic vending machinesROCK OLA MFG CORP·Filed 1990·Granted Jan 14, 1992·84 cites·5 claims
- 0571US4997106AStorage magazine and feed system for vending cylindrical articlesROCK OLA MFG CORP·Filed 1989·Granted Mar 5, 1991·61 cites·8 claims
- 0660US5031164ACompact disc holding mechanism for automatic coin operated phonogramROCK OLA MFG CORP·Filed 1989·Granted Jul 9, 1991·12 cites·5 claims
- 0748US4913313ADual serpentine track magazine for coin operated can vendorsROCK OLA MFG CORP·Filed 1988·Granted Apr 3, 1990·16 cites·10 claims
- 0843US4923090ADelivery assembly for coin-operated can vending machinesROCK OLA MANFACTURING CORP·Filed 1988·Granted May 8, 1990·16 cites·8 claims
- 0939US5077923AProgram display for coin operated compact disc phonographROCK OLA MFG CORP·Filed 1990·Granted Jan 7, 1992·10 cites·9 claims
- 1030US4886325ADisplay assembly for automatic can vending machineROCK OLA MFG CORP·Filed 1988·Granted Dec 12, 1989·7 cites·7 claims
- 1127US5162712AOpto-electric central system for a reversible electric motorROCK OLA MFG CORP·Filed 1991·Granted Nov 10, 1992·0 cites·4 claims
- 1226USD322286SCompact disc album cover displayROCK OLA MFG CORPORATION·Filed 1989·Granted Dec 10, 1991·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Donald C. Rockola files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →