Robert F. Heisinger

AL American Telephone And Telegraph Company, At&T Bell Laboratories: 1 patents #330 of 1,086Top 35%

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

📍 Parsippany-Troy Hills, NJ: #11 of 31 inventorsTop 40%

🗺 New Jersey: #29,833 of 69,400 inventorsTop 45%

Overall (All Time): #2,345,638 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4710846	Modular protector for telecommunications equipment	—	1987-12-01
4215381	Protector module for telephone circuits	—	1980-07-29