Assignee
BARKMAN CONCRETE LTD
CA·3 granted patents·36 citations·filing 1978–2015
Top patents by PatentIndex Score
3 records- 0174US9476163B1Wood grain concrete paving slabsBARKMAN CONCRETE LTD·Filed 2015·Granted Oct 25, 2016·9 cites·13 claims
- 0261USD634859SPaving stoneBARKMAN CONCRETE LTD·Filed 2008·Granted Mar 22, 2011·19 cites·1 claims
- 0352USD259068SHog feederBARKMAN CONCRETE LTD·Filed 1978·Granted Apr 28, 1981·8 cites·1 claims
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