Inventor · disambiguated record
Leo J. Hubbard
Also filed as: HUBBARD LEO J · HUBBARD LEO JAMES
8 granted patents·199 citations·filing 1977–1999
88Inventor score
Top patents by PatentIndex Score
8 records- 0194US4129239AClamping devices for document tractorsPRECISION HANDLING DEVICES·Filed 1977·Granted Dec 12, 1978·57 cites·16 claims
- 0284US4199091ADocument tractorPRECISION HANDLING DEVICES·Filed 1979·Granted Apr 22, 1980·27 cites·6 claims
- 0372US5947543AVehicle safety systemFiled 1997·Granted Sep 7, 1999·54 cites·21 claims
- 0469US4345708ADocument feed mechanismPHD PUERTO RICO INC·Filed 1980·Granted Aug 24, 1982·19 cites·10 claims
- 0557US4421261AWeb feed tractorPRECISION HANDLING DEVICES·Filed 1981·Granted Dec 20, 1983·10 cites·10 claims
- 0647US6092853AVehicle safety systemFiled 1999·Granted Jul 25, 2000·25 cites·18 claims
- 0737US4457463ATractor apparatusPHD PUERTO RICO INC·Filed 1982·Granted Jul 3, 1984·5 cites·41 claims
- 0832US4714185APerforated web feeding apparatusPRECISION HANDLING DEVICES·Filed 1985·Granted Dec 22, 1987·2 cites·30 claims
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