Assignee
POWELL JOHN M
US·4 granted patents·36 citations·filing 1976–2009
Top patents by PatentIndex Score
4 records- 0179US8382400B2SandbagPOWELL JOHN M·Filed 2009·Granted Feb 26, 2013·10 cites·3 claims
- 0247US4422279AMethod for constructing a reinforced foundationPOWELL JOHN M·Filed 1981·Granted Dec 27, 1983·14 cites·7 claims
- 0345US4034950AForm tiePOWELL JOHN M·Filed 1976·Granted Jul 12, 1977·9 cites·3 claims
- 0430US4391429AForm tiePOWELL JOHN M·Filed 1981·Granted Jul 5, 1983·3 cites·3 claims
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