Inventor · West Chester, PA, US

Alvin E. Witt

13Patents
6h-index
4Co-inventors
59Inventor score

Filing activity: Apr 28, 1975 → May 4, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US3988187A Method of laying floor tile Emerging Cross-Sectional Technologies 199 Expired
US5985397A Coated synthetic resin board tiles Emerging Cross-Sectional Technologies 123 Expired
US5437934A Coated cement board tiles Emerging Cross-Sectional Technologies 118 Expired
US6228433A Abrasion resistant urethane coatings Emerging Cross-Sectional Technologies 55 Expired
US5271200A Title display system Emerging Cross-Sectional Technologies 32 Expired
US5976689A Coated synthetic resin board tiles Emerging Cross-Sectional Technologies 27 Expired
US4407884A Stain-resistant earthen articles Emerging Cross-Sectional Technologies 6 Expired
US4519174A Stain-resistant earthen articles, grout and floor and wall surfaces composed thereof Fixed Constructions 6 Expired
US4256798A Moisture-resistant fire-retardant decorative floor and wall coverings and process for the manufacture thereof Emerging Cross-Sectional Technologies 5 Expired
US4568564A Impregnated wood product having a bleached or white appearance and process for making the same Chemistry; Metallurgy 5 Expired
UST967003I4 Flooring of wood-plastic composite General 3 Expired
US4075365A Turquoise-plastic-composite Chemistry; Metallurgy 0 Expired
UST962005I4 Simply installed floor tile General 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.