BH

Bob Helfrich

🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #137,396 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4807930 Seating apparatus planar fold sling — 1989-02-28