JC

John B. Covington

3M: 3 patents #4,214 of 11,543Top 40%
TI Texas Instruments: 3 patents #4,047 of 12,488Top 35%
JB J. T. Baker: 1 patents #5 of 11Top 50%
📍 Maplewood, MN: #121 of 510 inventorsTop 25%
🗺 Minnesota: #10,397 of 52,454 inventorsTop 20%
Overall (All Time): #767,842 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5173390 Water soluble contrast enhancement composition and method of use Vic B. Marriott, Larry G. Venable, Peter Kim 1992-12-22
4997742 Water soluble contrast enhancement composition with 1-oxy-2 diazonaphthalene sulfonamide salt and polyvinyl alcohol Vic B. Marriott, Larry G. Venable, Peter Kim 1991-03-05
4959293 Deep UV photoresist with alkyl 2-diazo-1-ones as solubility modification agents George Schwartzkopf, Kathleen Gabriel 1990-09-25
4816380 Water soluble contrast enhancement layer method of forming resist image on semiconductor chip Vic B. Marriott, Larry G. Venable, Peter Kim 1989-03-28
4323591 Irradiation of polyacrylate films in air Larry A. Wendling 1982-04-06
4306954 Process for polymerizing acrylic substituted hydantoins in air Larry A. Wendling 1981-12-22
4262072 Poly(ethylenically unsaturated alkoxy) heterocyclic protective coatings Larry A. Wendling 1981-04-14