Inventor · disambiguated record
Charles W. Duncan
Also filed as: DUNCAN CHARLES W
8 granted patents·431 citations·filing 1983–1994
91Inventor score
Top patents by PatentIndex Score
8 records- 0197US5332071AShock absorber for safety cable systemSINCO INC·Filed 1993·Granted Jul 26, 1994·112 cites·21 claims
- 0292US4962828ADebris net/scaffolding frame lifting systemDUNCAN CHARLES W·Filed 1990·Granted Oct 16, 1990·69 cites·23 claims
- 0391US4892169APerimeter debris net lifting systemSINCO INC·Filed 1989·Granted Jan 9, 1990·52 cites·32 claims
- 0487US5299654ASafety net support systemSINCO INC·Filed 1992·Granted Apr 5, 1994·51 cites·22 claims
- 0587US5170829ARetractable pallet rack guardSINCO INC·Filed 1991·Granted Dec 15, 1992·83 cites·25 claims
- 0673US4723633AAdjusting screw retainerWACO INTERNATIONAL CORP·Filed 1987·Granted Feb 9, 1988·29 cites·14 claims
- 0759US5597151AStake puller with stake supporting back plateFiled 1994·Granted Jan 28, 1997·20 cites·18 claims
- 0854US4549634AScaffold connector assemblyWACO INTERNATIONAL CORP·Filed 1983·Granted Oct 29, 1985·15 cites·8 claims
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