Assignee
STELZER WILLIAM
3 granted patents·61 citations·filing 1975–1977
Top patents by PatentIndex Score
3 records- 0169US4026269ASolar heating systemsSTELZER WILLIAM·Filed 1975·Granted May 31, 1977·35 cites·1 claims
- 0258US4051832ASolar heating panelSTELZER WILLIAM·Filed 1977·Granted Oct 4, 1977·18 cites·3 claims
- 0334US4018024ALouvered windows comprising insulating pairs of superimposed panesSTELZER WILLIAM·Filed 1975·Granted Apr 19, 1977·8 cites·1 claims
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