Townsend H. Porter, Jr.

IBM: 1 patents #44,794 of 70,183Top 65%

📍 Rochester, MN: #2,036 of 3,042 inventorsTop 70%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,915,169 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4970609	Clocking method and apparatus for use with partial response coded binary data	Earl A. Cunningham, James W. Rae	1990-11-13