Inventor · disambiguated record
David Francis
Also filed as: FRANCIS DAVID · FRANCIS DAVID W
13 granted patents·272 citations·filing 1979–2011
93Inventor score
Top patents by PatentIndex Score
13 records- 0192US7364017B2Combination ladder, ladder components and methods of manufacturing sameWING ENTPR INC·Filed 2003·Granted Apr 29, 2008·40 cites·13 claims
- 0289US5740621ACompactible snowshoes and bindings and method of assemblyWING ENTERPRISES INC·Filed 1995·Granted Apr 21, 1998·46 cites·31 claims
- 0385US5351392AAutomatic rivet feed apparatusHUCK INT INC·Filed 1992·Granted Oct 4, 1994·45 cites·24 claims
- 0482US6541942B1Capacitor tub assembly and method of coolingAEROVIRONMENT INC·Filed 2001·Granted Apr 1, 2003·27 cites·25 claims
- 0580US4470776AMethods and apparatus for gear pump lubricationCOMMERCIAL SHEARING·Filed 1979·Granted Sep 11, 1984·32 cites·8 claims
- 0675US6564478B1Compactible snowhoesWING ENTPR INC·Filed 2000·Granted May 20, 2003·13 cites·19 claims
- 0769US5123162AAutomatic rivet feed apparatusWING ENTERPRISES INC·Filed 1990·Granted Jun 23, 1992·24 cites·15 claims
- 0864US8376087B2Combination ladder, ladder components and methods of manufacturing sameWING ENTPR INC·Filed 2011·Granted Feb 19, 2013·2 cites·15 claims
- 0962US6105281ACompactible snowshoesWING ENTERPRISES INC·Filed 1998·Granted Aug 22, 2000·17 cites·35 claims
- 1060US5327639AAutomatic rivet feed apparatusHUCK INT INC·Filed 1991·Granted Jul 12, 1994·17 cites·9 claims
- 1158US8069948B2Combination ladder, ladder components and methods of manufacturing sameMOSS NEWELL R·Filed 2008·Granted Dec 6, 2011·0 cites·9 claims
- 1237US4636155AHydraulic seal having U-shaped gasket and a plurality of plastically deformable postsCOMMERCIAL SHEARING·Filed 1984·Granted Jan 13, 1987·5 cites·7 claims
- 1334US4898427ANeutral stop deviceCOMMERCIAL INTERTECH CORP·Filed 1988·Granted Feb 6, 1990·4 cites·7 claims
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