Roger D. Speer

📍 Dighton, KS: #1 of 5 inventorsTop 20%

🗺 Kansas: #4,268 of 12,005 inventorsTop 40%

Overall (All Time): #2,231,318 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6301792	Rechargeable shaving apparatus for vehicle	—	2001-10-16
5941427	Liquid storage can	—	1999-08-24