Inventor · disambiguated record
Donald A. Springer
Also filed as: SPRINGER DONALD A
5 granted patents·417 citations·filing 1977–1979
86Inventor score
Top patents by PatentIndex Score
5 records- 0197US4323110AFood preparation processANCHOR HOCKING CORP·Filed 1979·Granted Apr 6, 1982·152 cites·23 claims
- 0294US4203486AFood preparation apparatus and processANCHOR HOCKING CORP·Filed 1978·Granted May 20, 1980·104 cites·33 claims
- 0386US4254824AFood preparation apparatusANCHOR HOCKING CORP·Filed 1979·Granted Mar 10, 1981·66 cites·5 claims
- 0486US4232789AFood serving tray for use in a food preparation unitANCHOR HOCKING CORP·Filed 1977·Granted Nov 11, 1980·52 cites·17 claims
- 0579US4194109AFood serving tray and supporting heater shelfMESSER GRIESHEIM GMBH·Filed 1977·Granted Mar 18, 1980·43 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →