DS

Doanld L. Siefker

NE North American Philips Consumer Electronics: 1 patents #2 of 10Top 20%
📍 Ottawa, OH: #1 of 2 inventorsTop 50%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #138,589 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832646 Aging process for cathode ray tubes Samuel Sunwhee Chung, Charles H. Rehkopf, Franklin G. Reigel, James R. Stowe 1989-05-23