IP Library
Patent Attorney

Kristin J Frost

Reg. No. 50627
Active
Not accepting new clients
Firm
Sigma-Aldrich Corp.
Location
St. Louis, MO 63103
Phone
314-289-8446
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Sigma-Aldrich Corp.
Firm and contact info reflects the FY25 roster (last updated September 25). Attorneys may have changed firms since then — patent filings show their current firm of record.