Assignee
DUBOIS R CLARK
US·15 granted patents·160 citations·filing 1982–2006
Top patents by PatentIndex Score
15 records- 0182US5131644ASorter and receiving trayDUBOIS R CLARK·Filed 1989·Granted Jul 21, 1992·25 cites·21 claims
- 0278US4674735AAutomatic sheet feeder for copiers and other machines having sheet transport mechanisms and assemblies therewithDUBOIS R CLARK·Filed 1985·Granted Jun 23, 1987·30 cites·12 claims
- 0375US4526361ADocument turnover deviceDUBOIS R CLARK·Filed 1983·Granted Jul 2, 1985·20 cites·23 claims
- 0470US7370432B2Tape measure with detachable tapeDUBOIS R CLARK·Filed 2006·Granted May 13, 2008·6 cites·21 claims
- 0564US4702466ASheet material feeder for copiers and other sheet processing apparatusDUBOIS R CLARK·Filed 1985·Granted Oct 27, 1987·14 cites·15 claims
- 0662US4515053AContinuous web feeder with web cutting meansDUBOIS R CLARK·Filed 1983·Granted May 7, 1985·12 cites·15 claims
- 0760US5022639ADocument feeder with improved recyclable document controlDUBOIS R CLARK·Filed 1988·Granted Jun 11, 1991·12 cites·1 claims
- 0860US4632376ADrive mechanism for document copierDUBOIS R CLARK·Filed 1985·Granted Dec 30, 1986·12 cites·6 claims
- 0955US4522519AApparatus and process for drop-feeding sheets to a typing or printing machine including separable paper clamping traysDUBOIS R CLARK·Filed 1982·Granted Jun 11, 1985·8 cites·13 claims
- 1048US5078377ADocument feederDUBOIS R CLARK·Filed 1990·Granted Jan 7, 1992·8 cites·2 claims
- 1147US4560156ADevice for drop-feeding sheet material into a printing apparatus or the likeDUBOIS R CLARK·Filed 1983·Granted Dec 24, 1985·6 cites·6 claims
- 1235US4688783ABottom feed sheet feeding apparatusDUBOIS R CLARK·Filed 1985·Granted Aug 25, 1987·3 cites·15 claims
- 1333US4674738AStop-mechanism for document copierDUBOIS R CLARK·Filed 1985·Granted Jun 23, 1987·1 cites·1 claims
- 1431US4936563ADocument feeder with improved adjustable support control panelsDUBOIS R CLARK·Filed 1988·Granted Jun 26, 1990·2 cites·1 claims
- 1531US4925175AApparatus for feeding sheets to a copying machineDUBOIS R CLARK·Filed 1988·Granted May 15, 1990·1 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →