Patent Agent
Katherine I. Chwistek
Reg. No. 83076
Active
Not accepting new clients
Location
Streamwood, IL 60107
Streamwood, IL 60107
Phone
630-457-8604
630-457-8604
Registration Type
AGENT
AGENT
Roster
USPTO OED FY25
USPTO OED FY25
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.