Kristin J. Frost

Patent attorney, USPTO registration number 50627, status Active.

Firm

Sigma-Aldrich Corp.

Location

St. Louis, MO

On the USPTO roster since

before May 2006

Kristin J. Frost is a USPTO-registered patent attorney (registration number 50627) at Sigma-Aldrich Corp., in St. Louis, MO. The registration is active on the current USPTO roster, and Kristin J. Frost has been listed on the roster since before May 2006.

Sigma-Aldrich Corp. is listed with one registered practitioner on the current roster.

St. Louis, MO has 221 registered patent practitioners in all: 187 patent attorneys and 34 patent agents.

Other registered practitioners in St. Louis, MO

• Richard L. Bridge — Patent attorney, Reg. No. 40529, Armstrong Teasdale LLP
• Richard L. Brophy — Patent attorney, Reg. No. 69736, Armstrong Teasdale LLP
• Eric H. Brunngraber — Patent attorney, Reg. No. 78090, Armstrong Teasdale LLP
• Barbara A. Bryan — Patent agent, Reg. No. 52665, Solae, LLC
• Joseph M. Butscher — Patent attorney, Reg. No. 48326, The Small Patent Law Group LLP
• Dutro Evans Campbell — Patent attorney, Reg. No. 46239, Campbell IP
• Matthew T. Carr — Patent agent, Reg. No. 80746, Husch Blackwell LLP
• Kathleen E. Chaffee — Patent agent, Reg. No. 69903, Gates Agricultural Innovations

All patent attorneys and agents in St. Louis, MO

Patent firms in Missouri · Practitioners by state

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