John Birkner

🗺 California: #2,144 of 10,592 inventorsTop 25%

Overall (1989): #96,525 of 140,708Top 70%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4862136	Programmable resistance network	—	1989-08-29