Inventor · disambiguated record
Alvin E. Witt
Also filed as: WITT ALVIN E
11 granted patents·1 pending application·831 citations·filing 1975–2001
93Inventor score
Top patents by PatentIndex Score
12 records- 0195US6228433B1Abrasion resistant urethane coatingsPERMAGRAIN PRODUCTS INC·Filed 1998·Granted May 8, 2001·126 cites·5 claims
- 0295US3988187AMethod of laying floor tileATLANTIC RICHFIELD CO·Filed 1975·Granted Oct 26, 1976·239 cites·1 claims
- 0393US5437934ACoated cement board tilesPERMAGRAIN PRODUCTS INC·Filed 1993·Granted Aug 1, 1995·167 cites·19 claims
- 0492US5985397ACoated synthetic resin board tilesFiled 1997·Granted Nov 16, 1999·139 cites·6 claims
- 0590US5271200ATitle display systemPERMAGRAIN PRODUCTS INC·Filed 1992·Granted Dec 21, 1993·73 cites·1 claims
- 0676US5976689ACoated synthetic resin board tilesPERMAGRAIN PRODUCTS INC·Filed 1996·Granted Nov 2, 1999·38 cites·4 claims
- 0760US4568564AImpregnated 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
- 0851US4407884AStain-resistant earthen articlesPERMAGRAIN PRODUCTS INC·Filed 1981·Granted Oct 4, 1983·11 cites·16 claims
- 0949US4519174AStain-resistant earthen articles, grout and floor and wall surfaces composed thereofPERMAGRAIN PRODUCTS INC·Filed 1982·Granted May 28, 1985·11 cites·24 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
- 1137US2001051229A1Abrasion resistant urethane coatingsFiled 2001·Application pending·0 cites
- 1228US4075365ATurquoise-plastic-compositeATLANTIC RICHFIELD CO·Filed 1976·Granted Feb 21, 1978·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →