Inventor · disambiguated record
Wendell A. Ehrhart
Also filed as: EHRHART WENDELL A
19 granted patents·426 citations·filing 1976–1997
95Inventor score
Top patents by PatentIndex Score
19 records- 0191US5045435AWater-borne, alkali-developable, photoresist coating compositions and their preparationARMSTRONG WORLD IND INC·Filed 1990·Granted Sep 3, 1991·119 cites·20 claims
- 0288US5003026AUV curable no-wax coatingARMSTRONG WORLD IND INC·Filed 1989·Granted Mar 26, 1991·36 cites·20 claims
- 0380US4496674AGasket materials comprising polyester and rice hullsARMSTRONG WORLD IND INC·Filed 1983·Granted Jan 29, 1985·30 cites·63 claims
- 0473US5362560AComposite tile with modified adhesive layerARMSTRONG WORLD IND INC·Filed 1993·Granted Nov 8, 1994·43 cites·5 claims
- 0572US5077330AConductive polyurethane-urea/polyethylene oxideARMSTRONG WORLD IND INC·Filed 1990·Granted Dec 31, 1991·33 cites·29 claims
- 0668US4436784AProcess for preparing plasticized polyvinyl chloride substrates comprising a moisture-cured polyurethane coating and the products resulting therefromARMSTRONG WORLD IND INC·Filed 1982·Granted Mar 13, 1984·19 cites·8 claims
- 0766US5543232A(Meth) acrylated aromatic polyester floor covering wear layerARMSTRONG WORLD IND INC·Filed 1995·Granted Aug 6, 1996·27 cites·8 claims
- 0863US5140088AHigh tg surface covering wear layer and seam coaterARMSTRONG WORLD IND INC·Filed 1991·Granted Aug 18, 1992·13 cites·20 claims
- 0962US4595626AConformable tileARMSTRONG WORLD IND INC·Filed 1985·Granted Jun 17, 1986·20 cites·40 claims
- 1060US4033583ATennis racketEHRHART WENDELL A·Filed 1976·Granted Jul 5, 1977·24 cites·5 claims
- 1157US4304879ANon-crystallizing acrylated polyesters based on isophthalic acidARMSTRONG WORLD IND INC·Filed 1980·Granted Dec 8, 1981·10 cites·2 claims
- 1255US5663003A(Meth)acrylated, aromatic polyester/highly ethoxylated (meth)acrylate blend floor covering wear layerARMSTRONG WORLD IND INC·Filed 1996·Granted Sep 2, 1997·12 cites·4 claims
- 1354US6060214APhotopolymerizable, coatable plastisolARMSTRONG WORLD IND INC·Filed 1992·Granted May 9, 2000·14 cites·15 claims
- 1449US5198521AConductive polyurethane-urea/polyethylene oxide polymerARMSTRONG WORLD IND INC·Filed 1991·Granted Mar 30, 1993·9 cites·17 claims
- 1539US4260717AHigh performance urethane coating which is a solvent solution of a polyester containing hydroxyl groups and an aliphatic diisocyanateEHRHART WENDELL A·Filed 1980·Granted Apr 7, 1981·5 cites·6 claims
- 1637US5891582A(Meth)acrylated, highly ethoxylated, aromatic polyestersARMSTRONG WORLD IND INC·Filed 1997·Granted Apr 6, 1999·7 cites·10 claims
- 1731US5248443ASeam cleaning compositionARMSTRONG WORLD IND INC·Filed 1992·Granted Sep 28, 1993·3 cites·13 claims
- 1830US6083660APhotopolymerizable, coatable organosol and methodARMSTRONG WORLD IND INC·Filed 1995·Granted Jul 4, 2000·0 cites·12 claims
- 1928US5198142ASeam cleaning compositionARMSTRONG WORLD IND INC·Filed 1991·Granted Mar 30, 1993·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →