Assignee
BLOCK SYSTEMS INC
US·4 granted patents·470 citations·filing 1990–1995
Top patents by PatentIndex Score
4 records- 0198US5017049AComposite masonry blockBLOCK SYSTEMS INC·Filed 1990·Granted May 21, 1991·157 cites·12 claims
- 0297US5062610AComposite masonry block mold for use in block molding machinesBLOCK SYSTEMS INC·Filed 1990·Granted Nov 5, 1991·173 cites·15 claims
- 0392US5249950AHeated stripper shoe assemblyBLOCK SYSTEMS INC·Filed 1992·Granted Oct 5, 1993·71 cites·18 claims
- 0491US5589124AMethod of forming composite masonry blocksBLOCK SYSTEMS INC·Filed 1995·Granted Dec 31, 1996·69 cites·25 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →