Inventor · disambiguated record
Charles C. Pergler
Also filed as: KORELL DONALD D · PERGLER CHARLES C · WISNIEWSKI JOSEPH M
6 granted patents·205 citations·filing 1975–1982
86Inventor score
Top patents by PatentIndex Score
6 records- 0194US4390206ASynchrotilt chair controlSTEELCASE INC·Filed 1980·Granted Jun 28, 1983·98 cites·66 claims
- 0280US3969008ASafety latch and drawer movement sequencing control arrangement for file cabinetsALL STEEL INC·Filed 1975·Granted Jul 13, 1976·40 cites·14 claims
- 0371US4375301AChair seat adjustment assemblySTEELCASE INC·Filed 1980·Granted Mar 1, 1983·29 cites·9 claims
- 0457US4214726AChair controlSTEELCASE INC·Filed 1978·Granted Jul 29, 1980·18 cites·28 claims
- 0542US4183581APosture iron with safety stopSTEELCASE INC·Filed 1978·Granted Jan 15, 1980·10 cites·9 claims
- 0636US4570895AChair control tension adjustment assemblySTEELCASE INC·Filed 1982·Granted Feb 18, 1986·10 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →