RB

Richard R. Bettger

SC Schlage Lock Company: 2 patents #2 of 21Top 10%
📍 San Francisco, CA: #25 of 251 inventorsTop 10%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #17,833 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4884835 Lever spindle spring cage Jon M. Smallegan 1989-12-05
4875352 Construction keying Jon M. Smallegan 1989-10-24