JK

James V. Knab

📍 Grand Rapids, MI: #4 of 44 inventorsTop 10%
🗺 Michigan: #416 of 1,972 inventorsTop 25%
Overall (1982): #56,075 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4312291 Toxic fume absorber — 1982-01-26