Assignee
NORTHRUP JR LEONARD L
3 granted patents·210 citations·filing 1974–1975
Top patents by PatentIndex Score
3 records- 0191US3991741ARoof-lens solar collectorNORTHRUP JR LEONARD L·Filed 1975·Granted Nov 16, 1976·84 cites·16 claims
- 0290US4022186ACompound lens solar energy systemNORTHRUP JR LEONARD L·Filed 1975·Granted May 10, 1977·84 cites·1 claims
- 0382US3977467AAir conditioning moduleNORTHRUP JR LEONARD L·Filed 1974·Granted Aug 31, 1976·42 cites·13 claims
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