JR

John Roberts

KC K.W. Muth Company: 2 patents #1 of 1Top 100%
📍 Grand Rapids, MI: #8 of 78 inventorsTop 15%
🗺 Michigan: #358 of 4,492 inventorsTop 8%
Overall (1997): #35,012 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5619374 Mirror coating 1997-04-08
5619375 Mirror coating 1997-04-08