UB

Ulrich Birch

GA Gretag Aktiengesellschaft: 1 patents #27 of 53Top 55%
📍 Wallisellen, CH: #45 of 82 inventorsTop 55%
Overall (All Time): #4,011,908 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4505589 Process and apparatus for the colorimetric analysis of printed material Hans Ott, Rolf Boegli, Helmut Kipphan, Gerhard Loffler 1985-03-19