O'Banion and Ritchey LLP
3 registered patent practitioners: 2 patent attorneys and 1 patent agents, Sacramento, CA.
- John P. O'banion — Patent attorney, Reg. No. 33201, O'Banion and Ritchey LLP
- Rodger Hugo Rast — Patent agent, Reg. No. 45853, O'Banion and Ritchey LLP
- James Morrell Ritchey — Patent attorney, Reg. No. 32594, O'Banion and Ritchey LLP