Inventor · disambiguated record
Frederick J. Bartnicki
Also filed as: BARTNICKI FREDERICK J
13 granted patents·383 citations·filing 1990–1999
94Inventor score
Top patents by PatentIndex Score
13 records- 0191USD422717SLadder topWERNER CO·Filed 1999·Granted Apr 11, 2000·49 cites·1 claims
- 0290USD340773SLadder topWERNER CO INC R D·Filed 1990·Granted Oct 26, 1993·39 cites·1 claims
- 0384US5573081ALadder top with bail recessWERNER CO·Filed 1994·Granted Nov 12, 1996·67 cites·12 claims
- 0477US5067589AExtendable supportWERNER CO INC R D·Filed 1990·Granted Nov 26, 1991·37 cites·7 claims
- 0576US5358070ALadder topWERNER CO·Filed 1993·Granted Oct 25, 1994·46 cites·15 claims
- 0676US5259480ALadder topWERNER CO INC R D·Filed 1992·Granted Nov 9, 1993·48 cites·14 claims
- 0768USD413990SFront face of a ladder topWERNER CO·Filed 1998·Granted Sep 14, 1999·15 cites·1 claims
- 0861US5366051AHollow plastic ladderWERNER CO INC R D·Filed 1992·Granted Nov 22, 1994·23 cites·8 claims
- 0958USD340291SLadder pail shelfWERNER CO INC R D·Filed 1991·Granted Oct 12, 1993·9 cites·1 claims
- 1051US5791439ALadder, member for connecting a rail to a horizontal element of a ladder, and method, and apparatus and method for holding a washerWERNER CO·Filed 1995·Granted Aug 11, 1998·17 cites·28 claims
- 1149US5636706ALadder, member for connecting a rail to a horizontal element of a ladder, and methodWERNER CO·Filed 1994·Granted Jun 10, 1997·14 cites·16 claims
- 1246US5131495AHollow plastic ladderWERNER CO INC R D·Filed 1990·Granted Jul 21, 1992·14 cites·7 claims
- 1333US6142255ALadder, member for connecting a rail to a horizontal element of a ladder, and methodWERNER CO·Filed 1997·Granted Nov 7, 2000·5 cites·21 claims
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