MR

Melvin J. Roberts

MI Mitel: 1 patents #2 of 23Top 9%
📍 Gatineau, CA: #8 of 41 inventorsTop 20%
Overall (1989): #77,693 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4868872 Telephone tone detector Frank Dea 1989-09-19