Assignee
HEILEMANN VOLKMAR
3 granted patents·105 citations·filing 1975–1976
Top patents by PatentIndex Score
3 records- 0185US4000851ASolar-heated dwellingHEILEMANN VOLKMAR·Filed 1975·Granted Jan 4, 1977·70 cites·10 claims
- 0254US3990245AEnergy converter deviceHEILEMANN VOLKMAR·Filed 1976·Granted Nov 9, 1976·20 cites·10 claims
- 0342US3991937ASolar-heated unitHEILEMANN VOLKMAR·Filed 1975·Granted Nov 16, 1976·15 cites·1 claims
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