Inventor · disambiguated record
Dan Shaffer
Also filed as: SHAFFER DAN
5 granted patents·91 citations·filing 1995–1995
82Inventor score
Files withROCKLAND INC5
Top patents by PatentIndex Score
5 records- 0155US5621987AImplement coupling assembly for excavator machines and the likeROCKLAND INC·Filed 1995·Granted Apr 22, 1997·23 cites·27 claims
- 0251US6163988AAssembly connectable to an operating arm of a machine for performing work functionsROCKLAND INC·Filed 1995·Granted Dec 26, 2000·22 cites·24 claims
- 0349US5611158AAssembly for coupling an implement to an operating arm of a machine in various angular positionsROCKLAND INC·Filed 1995·Granted Mar 18, 1997·14 cites·15 claims
- 0447US5575093ACoupler assemblyROCKLAND INC·Filed 1995·Granted Nov 19, 1996·17 cites·18 claims
- 0543US5618157ADetachable coupler assemblyROCKLAND INC·Filed 1995·Granted Apr 8, 1997·15 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Dan Shaffer files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →