Roger S. Erlandson

📍 Elk Grove, CA: #61 of 301 inventorsTop 25%

🗺 California: #124,610 of 386,348 inventorsTop 35%

Overall (All Time): #1,309,093 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4373213	Archery arm guard	—	1983-02-15
4234191	Archery arrow head	—	1980-11-18
D257443	Four-bladed arrow point	—	1980-10-21
D257444	Two-bladed arrow point	—	1980-10-21