Individual holder
MARTENSON DONALD S
10 granted patents·190 citations·filing 1975–1984
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
10 records- 0191US4263889ACombination fireplace furnace and cookstoveMARTENSON DONALD S·Filed 1978·Granted Apr 28, 1981·26 cites·13 claims
- 0290US4166444AFireplace furnace with heat exchange tubesMARTENSON DONALD S·Filed 1977·Granted Sep 4, 1979·23 cites·13 claims
- 0389US4015581AFireplace heaterMARTENSON DONALD S·Filed 1975·Granted Apr 5, 1977·28 cites·2 claims
- 0482US4305373AFireplace furnaceMARTENSON DONALD S·Filed 1979·Granted Dec 15, 1981·18 cites·23 claims
- 0581US4611572ALow emission stoveMARTENSON DONALD S·Filed 1984·Granted Sep 16, 1986·34 cites·15 claims
- 0669USD262595SPortable cookstoveMARTENSON DONALD S·Filed 1979·Granted Jan 12, 1982·9 cites·1 claims
- 0765US4483312AFree standing stoveMARTENSON DONALD S·Filed 1982·Granted Nov 20, 1984·19 cites·12 claims
- 0856US4328783APortable paper burning cookstoveMARTENSON DONALD S·Filed 1980·Granted May 11, 1982·14 cites·14 claims
- 0949US4359040AFree standing stoveMARTENSON DONALD S·Filed 1980·Granted Nov 16, 1982·11 cites·13 claims
- 1043US4426992AFree standing stoveMARTENSON DONALD S·Filed 1982·Granted Jan 24, 1984·8 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →