Individual holder
ROBBINS HOWARD J
US·4 granted patents·138 citations·filing 1986–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0172US4685585ADouble wall tank manway systemROBBINS HOWARD J·Filed 1986·Granted Aug 11, 1987·47 cites·20 claims
- 0269US4871084ATank secondary containment systemROBBINS HOWARD J·Filed 1987·Granted Oct 3, 1989·42 cites·21 claims
- 0363US5167352ADouble wall tank systemROBBINS HOWARD J·Filed 1990·Granted Dec 1, 1992·37 cites·62 claims
- 0437US5154312ATank secondary containment systemROBBINS HOWARD J·Filed 1989·Granted Oct 13, 1992·12 cites·20 claims
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