Individual holder
WILKENING DONALD W
US·4 granted patents·34 citations·filing 1983–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0155US5014683AHigh efficiency fireplace and method of operationWILKENING DONALD W·Filed 1989·Granted May 14, 1991·16 cites·11 claims
- 0249US4515146AFireplace doorWILKENING DONALD W·Filed 1983·Granted May 7, 1985·12 cites·7 claims
- 0342USD340973SFireplace grateWILKENING DONALD W·Filed 1989·Granted Nov 2, 1993·4 cites·1 claims
- 0427US4706647AAir flow control for totally enclosed fireplaceWILKENING DONALD W·Filed 1986·Granted Nov 17, 1987·2 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →