Assignee
PERMAGRAIN PRODUCTS INC
US·10 granted patents·500 citations·filing 1977–1998
Top patents by PatentIndex Score
10 records- 0195US6228433B1Abrasion resistant urethane coatingsPERMAGRAIN PRODUCTS INC·Filed 1998·Granted May 8, 2001·126 cites·5 claims
- 0293US5437934ACoated cement board tilesPERMAGRAIN PRODUCTS INC·Filed 1993·Granted Aug 1, 1995·167 cites·19 claims
- 0390US5271200ATitle display systemPERMAGRAIN PRODUCTS INC·Filed 1992·Granted Dec 21, 1993·73 cites·1 claims
- 0476US5976689ACoated synthetic resin board tilesPERMAGRAIN PRODUCTS INC·Filed 1996·Granted Nov 2, 1999·38 cites·4 claims
- 0571US4095388AStrengthening inter-tile adhesionPERMAGRAIN PRODUCTS INC·Filed 1977·Granted Jun 20, 1978·39 cites·1 claims
- 0660US4568564AImpregnated wood product having a bleached or white appearance and process for making the samePERMAGRAIN PRODUCTS INC·Filed 1984·Granted Feb 4, 1986·14 cites·16 claims
- 0751US4407884AStain-resistant earthen articlesPERMAGRAIN PRODUCTS INC·Filed 1981·Granted Oct 4, 1983·11 cites·16 claims
- 0849US4519174AStain-resistant earthen articles, grout and floor and wall surfaces composed thereofPERMAGRAIN PRODUCTS INC·Filed 1982·Granted May 28, 1985·11 cites·24 claims
- 0940US5653789AWater base conditioner for acrylic wood flooringPERMAGRAIN PRODUCTS INC·Filed 1994·Granted Aug 5, 1997·9 cites·5 claims
- 1039US4256798AMoisture-resistant fire-retardant decorative floor and wall coverings and process for the manufacture thereofPERMAGRAIN PRODUCTS INC·Filed 1978·Granted Mar 17, 1981·12 cites·9 claims
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