Inventor · disambiguated record
Frederick J. Lawrence
Also filed as: LAWRENCE FREDERICK · LAWRENCE FREDERICK J
26 granted patents·300 citations·filing 1974–1999
96Inventor score
Top patents by PatentIndex Score
26 records- 0188US4343463ACompact sorterGRADCO DENDOKI INC·Filed 1979·Granted Aug 10, 1982·31 cites·17 claims
- 0284US4691914ASheet receiverGRADCO SYSTEMS INC·Filed 1986·Granted Sep 8, 1987·28 cites·6 claims
- 0380US3937459ASorting machineSTEWART KEITH B·Filed 1974·Granted Feb 10, 1976·23 cites·18 claims
- 0478US5649695AContinuous sheet stacker and finisherGRADCO JAPAN LTD·Filed 1996·Granted Jul 22, 1997·29 cites·14 claims
- 0578US4466609ACompact sheet sorterGRADCO SYSTEMS INC·Filed 1982·Granted Aug 21, 1984·22 cites·4 claims
- 0676US6293543B1Universal sheet receiver for stackersGRADCO JAPAN LTD·Filed 1999·Granted Sep 25, 2001·23 cites·10 claims
- 0772US4026540ASelective tray sheet sorting machineLAWRENCE FREDERICK J·Filed 1975·Granted May 31, 1977·17 cites·8 claims
- 0870US4843434ARandom access sheet receiverGRADCO SYSTEMS INC·Filed 1987·Granted Jun 27, 1989·21 cites·5 claims
- 0970US4337936ACompact sorterGRADCO DENDOKI INC·Filed 1980·Granted Jul 6, 1982·17 cites·13 claims
- 1064USD261653SSorting apparatusNASHUA CORP·Filed 1978·Granted Nov 3, 1981·7 cites·1 claims
- 1160USD261272SSorting apparatusGRADCO/DENDOKI INC·Filed 1979·Granted Oct 13, 1981·6 cites·1 claims
- 1256US5346205ASorter having pivotable diverter gates with nip rollers and diverter module assembly thereforGRADCO JAPAN LTD·Filed 1993·Granted Sep 13, 1994·11 cites·11 claims
- 1353US4235435ASheet sorterSTEWART AND SHEA·Filed 1978·Granted Nov 25, 1980·10 cites·13 claims
- 1451USD261147SCombined copying and sorting apparatusGRADCO/DENDOKI INC·Filed 1979·Granted Oct 6, 1981·4 cites·1 claims
- 1551USD261148SCombined copying and sorting apparatusGRADCO/DENDOKI INC·Filed 1979·Granted Oct 6, 1981·4 cites·1 claims
- 1649US4911424ASheet sorting machineGRADCO SYSTEMS INC·Filed 1983·Granted Mar 27, 1990·8 cites·5 claims
- 1747US5603494ASheet mailbox having a rotatable sheet distributorGRADCO LTD·Filed 1995·Granted Feb 18, 1997·10 cites·4 claims
- 1846US5125634ACombined sheet collator and staplerGRADCO JAPAN LTD·Filed 1991·Granted Jun 30, 1992·7 cites·7 claims
- 1945US5396322ASingle feed path dual sheet receiverGRADCO JAPAN LTD·Filed 1993·Granted Mar 7, 1995·8 cites·10 claims
- 2040US4842261APrinter feederGRADCO SYSTEMS INC·Filed 1983·Granted Jun 27, 1989·5 cites·1 claims
- 2140USD263849SCopying and sorting apparatusGRADCO/DENDOKI INC·Filed 1980·Granted Apr 13, 1982·2 cites·1 claims
- 2237US5344131AStapling sorter with rotating sheet joggerGRADCO JAPAN LTD·Filed 1993·Granted Sep 6, 1994·4 cites·11 claims
- 2335USD264093SCopying and sorting apparatusGRADCO/DENDOKI INC·Filed 1980·Granted Apr 27, 1982·1 cites·1 claims
- 2429US5257778ASorter with molded tray shifting cam construction and method of making the camGRADCO JAPAN LTD·Filed 1993·Granted Nov 2, 1993·2 cites·10 claims
- 2529USD277010SCombined copying and sorting apparatusLAWRENCE FREDERICK J·Filed 1979·Granted Jan 1, 1985·0 cites·1 claims
- 2629USD266333SCombined copying and sorting apparatusLAWRENCE FREDERICK J·Filed 1980·Granted Sep 28, 1982·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →