RD

Ray S. Caldwell, deceased

📍 Denver, CO: #1,715 of 4,554 inventorsTop 40%
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2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5236813 Dry processable copper halide photosensitive system Ester C. Caldwell, executor 1993-08-17
4904576 Photosensitive cuprous halide materials and methods for their preparation 1990-02-27