Assignee
HANDY STONE CORP
4 granted patents·335 citations·filing 1995–1999
Top patents by PatentIndex Score
4 records- 0198USD391376SRetaining wall blockHANDY STONE CORP·Filed 1995·Granted Feb 24, 1998·125 cites·1 claims
- 0297USD429004SRetaining wall blockHANDY STONE CORP·Filed 1996·Granted Aug 1, 2000·115 cites·1 claims
- 0396USD378702SEdging blockHANDY STONE CORP·Filed 1995·Granted Apr 1, 1997·87 cites·1 claims
- 0454USD430680SConcrete blockHANDY STONE CORP·Filed 1999·Granted Sep 5, 2000·8 cites·1 claims
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