Individual holder
DEWALCH NORMAN B
5 granted patents·135 citations·filing 1985–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0185US4742703ACylinder lock and key with rotating elementsDEWALCH NORMAN B·Filed 1986·Granted May 10, 1988·60 cites·20 claims
- 0277US5001912ALockable meter clamp ringDEWALCH NORMAN B·Filed 1988·Granted Mar 26, 1991·33 cites·13 claims
- 0376USD296414SElectric meter lock ringDEWALCH NORMAN B·Filed 1985·Granted Jun 28, 1988·16 cites·1 claims
- 0457US4702093ALockable meter clamp ringDEWALCH NORMAN B·Filed 1987·Granted Oct 27, 1987·16 cites·11 claims
- 0546US4685317AFrangible sealDEWALCH NORMAN B·Filed 1986·Granted Aug 11, 1987·10 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →