RD

Robert A. Durance

MI Mitel: 1 patents #1 of 11Top 10%
📍 Gatineau, CA: #2 of 21 inventorsTop 10%
Overall (1982): #35,130 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355208 Telephone call denial system John A. Cribb, John R. Whitbread, Graham Neathway 1982-10-19