RS

Richard D. Serafin

📍 Lowell, MA: #224 of 739 inventorsTop 35%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,652,514 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5465254 Ring-type communication network Philip Wilson, Paul W. Kelley, Tadeusz Witkowicz 1995-11-07
5295012 Ring-type communication network Philip Wilson, Paul W. Kelley, Tadeusz Witkowicz 1994-03-15
5107490 Ring-type communication network Philip Wilson, Paul W. Kelley, Tadeusz Witkowicz 1992-04-21