Douglas P. Brosnan

Patent agent, USPTO registration number 54616, status Active.

Location

Roseville, CA

On the USPTO roster since

before May 2006

Douglas P. Brosnan is a USPTO-registered patent agent (registration number 54616), in Roseville, CA. The registration is active on the current USPTO roster, and Douglas P. Brosnan has been listed on the roster since before May 2006.

Roseville, CA has 8 registered patent practitioners in all: 6 patent attorneys and 2 patent agents.

Other registered practitioners in Roseville, CA

• John P. Costello — Patent attorney, Reg. No. 36110, Costello Law Corporation
• Milton Frederick Custer — Patent agent, Reg. No. 29787, Hexcel Corporation
• Richard V. De Gruccio — Patent attorney, Reg. No. 50898, Law Office Of Jeffrey R Toff
• Bradley Paul Heisler — Patent attorney, Reg. No. 35892, Heisler & Associates
• Peter T. Holt — Patent attorney, Reg. No. 45987, Holt Law Firm

All patent attorneys and agents in Roseville, CA

Patent firms in California · Practitioners by state

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