RP

Roy Porter

BE Beloit: 2 patents #51 of 198Top 30%
IC ICI: 2 patents #677 of 2,189Top 35%
Overall (All Time): #1,296,713 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5234887 Thermal transfer printing Peter Gregory, Raymond L. White, Geoffrey R. Rothwell 1993-08-10
5047122 Method for heated extended nip pressing Jere W. Crouse, Jeffrey H. Pulkowski 1991-09-10
4973384 Heated extended nip press apparatus Jere W. Crouse, Jeffrey H. Pulkowski 1990-11-27
4725284 Thermal transfer printing with z-alkyl-phenoxy anthraquinone dye mixture William B. Black, Roy Bradbury, Peter Gregory, Geoffrey R. Rothwell 1988-02-16