Richard D. Ketchpel

RI Rockwell International: 3 patents #298 of 2,155Top 15%

📍 Lompoc, CA: #637 of 2,245 inventorsTop 30%

🗺 California: #124,610 of 386,348 inventorsTop 35%

Overall (All Time): #1,292,134 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5396406	Thin high efficiency illumination system for display devices	—	1995-03-07
4670690	Thin film electrolumenescent display panel	—	1987-06-02
4342945	Electroluminescent thin film device	—	1982-08-03
4255613	Electrical interconnect	—	1981-03-10