HW

Hans P. Weihe

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
Overall (All Time): #1,656,016 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5365629 Apparatus for washing out flexographic printing plates Herbert Konermann 1994-11-22
4922078 Process for operating an exposure apparatus and exposure apparatus for conducting this process Peter Ulrich 1990-05-01
4734926 X-ray film cassette for daylight system Rudolf Singer 1988-03-29