RP

Robert B. Pfannkuch

BH Bell And Howell: 1 patents #131 of 293Top 45%
📍 Northfield, IL: #31 of 110 inventorsTop 30%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,666,067 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5065258 Transmitting information from producer to end users through slant-track tape-to-tape copying at higher-than-standard signal transmission Eugene Warren, William C. Laumeister, Louis L. Pourciau 1991-11-12
4652941 Method and system for real time video tape duplicating 1987-03-24
4373156 Apparatus and method for producing rapid, high resolution hard color copies from computer-based graphics and digital image processing systems Fred W. Grab 1983-02-08