MD

Michael J. Dugan

AT American Telephone And Telegraph: 1 patents #132 of 699Top 20%
AL American Telephone And Telegraph Company, At&T Bell Laboratories: 1 patents #330 of 1,086Top 35%
📍 Merrimac, MA: #31 of 59 inventorsTop 55%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,343,514 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4688209 Method and apparatus for looping around a digital transmission line at a channel unit Frederick J. Banzi, Jr., Randolph W. Johnson, Douglas Saylor, Craig A. Sharper 1987-08-18
4675862 Loop around data channel unit Frederick J. Banzi, Jr., Craig A. Sharper 1987-06-23