CH

C. Calvin Hansen

Overall (All Time): #1,624,315 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6305112 Frame for framing pictures 2001-10-23
6283238 Motorized golf bag cart Larry Royer, James Cotton, Clyde J. Fleener 2001-09-04
5549180 Emergency escape apparatus 1996-08-27