Patent Agent
Francis Jan Koszyk
Reg. No. 56680
Active
Not accepting new clients
Location
Prospect Heights, IL 60070
Prospect Heights, IL 60070
Phone
847-894-9404
847-894-9404
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.