JR

John R. Rumsey

DS Delphax Systems: 2 patents #13 of 47Top 30%
📍 Boston, MA: #2,667 of 5,993 inventorsTop 45%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,314,257 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4990942 Printer RF line control Roger Therrien 1991-02-05
4692017 Toner transfer apparatus Andrzej Maczuszenko, Sotos M. Theodoulou 1987-09-08