Rollin F. Christopherson

📍 South Ogden, UT: #3 of 26 inventorsTop 15%

🗺 Utah: #4,813 of 19,430 inventorsTop 25%

Overall (All Time): #1,293,217 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5454550	Dampening shock absorber	—	1995-10-03
4934408	Ball valve	—	1990-06-19
4736931	Dampening shock absorber	—	1988-04-12
D295203	Ball	—	1988-04-12