Richard G. Johnsen

BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%

📍 Wheaton, IL: #533 of 884 inventorsTop 65%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #4,096,277 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4288140	Printed wiring board interconnection apparatus	Gary L. Griffith, Charles J. Sherman	1981-09-08