BG

Bruce A. Grifhorst

📍 Grand Rapids, MI: #77 of 210 inventorsTop 40%
🗺 Michigan: #3,136 of 9,501 inventorsTop 35%
Overall (2023): #501,501 of 537,848Top 95%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11585097 Wheelchair ramp system using structrually insulated panel (SIPs) Eric Smith 2023-02-21