Philip Birkner Polster, II
Patent attorney, USPTO registration number 43864, status Active.
- Firm
- Sigma-Aldrich Corporation
- Location
- Foster City, CA
- On the USPTO roster since
- before May 2006
Philip Birkner Polster, II is a USPTO-registered patent attorney (registration number 43864) at Sigma-Aldrich Corporation, in Foster City, CA. The registration is active on the current USPTO roster, and Philip Birkner Polster has been listed on the roster since before May 2006.
Sigma-Aldrich Corporation is listed with one registered practitioner on the current roster.
Foster City, CA has 61 registered patent practitioners in all: 37 patent attorneys and 23 patent agents.
Other registered practitioners in Foster City, CA
- William E. Nuttle — Patent attorney, Reg. No. 42943
- P. J. Benedict O'mahoney — Patent attorney, Reg. No. 66494, NetLawyers LLP
- Timothy J. Ohara — Patent attorney, Reg. No. 53407, Cellanome, Inc.
- Marc A. Pacaldo — Patent agent, Reg. No. 66732
- Isaac O. Parham — Patent attorney, Reg. No. 75155
- Photon Rao — Patent agent, Reg. No. 57128
- Katharine R. Rice — Patent attorney, Reg. No. 63954, Gilead Sciences, iNC.
- Cathy Elena Rincon — Patent attorney, Reg. No. 34002
All patent attorneys and agents in Foster City, CA
Patent firms in California · Practitioners by state
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