Individual holder

KELLER LEONARD J

US·2 granted patents·180 citations·filing 1989–1991

Individually held — no corporate assignee on record.

Technology mixY02E2 Y02P2 B09B1 C03B1 C10J1 F01K1

Top patents by PatentIndex Score

2 records

0196US5134944AProcesses and means for waste resources utilizationKELLER LEONARD J·Filed 1991·Granted Aug 4, 1992·151 cites·13 claims
0272US4953479AMethacoal integrated combined cycle power plantsKELLER LEONARD J·Filed 1989·Granted Sep 4, 1990·29 cites·17 claims

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