DC

Douglas J. Calvin

BE Belanger: 1 patents #1 of 4Top 25%
📍 Livonia, MI: #28 of 116 inventorsTop 25%
🗺 Michigan: #1,659 of 6,198 inventorsTop 30%
Overall (2002): #228,674 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6368187 Abrading/polishing device and method of making and using same Robert J. Wentworth 2002-04-09