JL

John J. Ludwick

AT AT&T: 1 patents #47 of 261Top 20%
AT American Telephone And Telegraph: 1 patents #42 of 244Top 20%
📍 Hampton, NH: #1 of 2 inventorsTop 50%
🗺 New Hampshire: #88 of 409 inventorsTop 25%
Overall (1989): #94,273 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4821286 Quaternary signal regenerator James F. Graczyk, Edward S. Parsons 1989-04-11