Assignee
WALKER CALVIN
US·4 granted patents·31 citations·filing 1980–2014
Top patents by PatentIndex Score
4 records- 0176USD265364SNewspaper standWALKER CALVIN·Filed 1980·Granted Jul 13, 1982·17 cites·1 claims
- 0271US9376817B2Rafter center translation tool setWALKER CALVIN·Filed 2014·Granted Jun 28, 2016·4 cites·7 claims
- 0351USRE44102ELocation specific alarm relay (L.S.A.R)WALKER CALVIN·Filed 2008·Granted Mar 26, 2013·0 cites·1 claims
- 0437US6344799B1Location specific alarm relay (L.S.A.R)WALKER CALVIN·Filed 1999·Granted Feb 5, 2002·10 cites·1 claims
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