Joseph Maruscsak

AT AT&T: 1 patents #47 of 261Top 20%

AT American Telephone And Telegraph: 1 patents #42 of 244Top 20%

📍 Howell, NJ: #8 of 18 inventorsTop 45%

🗺 New Jersey: #926 of 3,756 inventorsTop 25%

Overall (1989): #140,552 of 140,708Top 100%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4825459	Local loop test arrangement in an echo canceller based full duplex modem	Cecil W. Farrow, William Edward Keasler, Jr., David G. Shaw	1989-04-25