Individual holder
BURNHAM FRANCIS L
US·3 granted patents·66 citations·filing 1981–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0164US5320363APost hole diggerBURNHAM FRANCIS L·Filed 1993·Granted Jun 14, 1994·44 cites·20 claims
- 0247US5273331APost hole diggerBURNHAM FRANCIS L·Filed 1993·Granted Dec 28, 1993·19 cites·19 claims
- 0329US4347045AMultiple-stage small temperature differential heat-powered pumpBURNHAM FRANCIS L·Filed 1981·Granted Aug 31, 1982·3 cites·16 claims
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