Wendell A. Ehrhart has been granted 18 US patents while listed as an inventor at NVIDIA . The first was granted in 1981 and the most recent in July 2000. Wendell A. Ehrhart ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Wendell A. Ehrhart in Columbia, PA, US.
Patents per Year Patents granted per year, 1981 to 2000 Bar chart with a peak of 3 patents in 1991. peak 3 1981: 2 patents 1981 1984: 1 patents 1985: 1 patents 1985 1986: 1 patents 1991: 3 patents 1991 1992: 1 patents 1993: 3 patents 1993 1994: 1 patents 1996: 1 patents 1996 1997: 1 patents 1999: 1 patents 1999 2000: 2 patents 2000
Issued Patents All Time
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Showing 1–18 of 18 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6083660 Photopolymerizable, coatable organosol and method David A. Smith 2000-07-04
6060214 Photopolymerizable, coatable plastisol David A. Smith 2000-05-09
$8,046,000
5891582 (Meth)acrylated, highly ethoxylated, aromatic polyesters Songvit Setthachayanon 1999-04-06
$12,109,000
5663003 (Meth)acrylated, aromatic polyester/highly ethoxylated (meth)acrylate blend floor covering wear layer Songvit Setthachayanon 1997-09-02
$11,139,000
5543232 (Meth) acrylated aromatic polyester floor covering wear layer Songvit Setthachayanon 1996-08-06
$10,321,000
5362560 Composite tile with modified adhesive layer Raymond C. Kent 1994-11-08
$9,966,000
5248443 Seam cleaning composition William T. Sigman , Albert C. Weidman 1993-09-28
$10,093,000
5198142 Seam cleaning composition William T. Sigman , Albert C. Weidman 1993-03-30
$4,541,000
5198521 Conductive polyurethane-urea/polyethylene oxide polymer Nowaf Halout , Kenneth K. Ko , David A. Smith 1993-03-30
$4,541,000
5140088 High TG surface covering wear layer and seam coater James R. Petzold 1992-08-18
$4,568,000
5077330 Conductive polyurethane-urea/polyethylene oxide Nowaf Halout , Kenneth K. Ko , David A. Smith 1991-12-31
$4,854,000
5045435 Water-borne, alkali-developable, photoresist coating compositions and their preparation Diane L. Adams , Donald H. Jones 1991-09-03
$10,821,000
5003026 UV curable no-wax coating David A. Smith 1991-03-26
$9,484,000
4595626 Conformable tile Mary A. Brubaker , William Y. Whitmore 1986-06-17
$2,913,000
4496674 Gasket materials comprising polyester and rice hulls Ronald S. Lenox , Moses Sparks, Jr. 1985-01-29
$4,863,000
4436784 Process for preparing plasticized polyvinyl chloride substrates comprising a moisture-cured polyurethane coating and the products resulting therefrom — 1984-03-13
$4,384,000
4304879 Non-crystallizing acrylated polyesters based on isophthalic acid David A. Smith 1981-12-08
$2,707,000
4260717 High performance urethane coating which is a solvent solution of a polyester containing hydroxyl groups and an aliphatic diisocyanate — 1981-04-07
