Patent Attorney
Jonathan C Parks
Reg. No. 40120
Active
Not accepting new clients
Firm
United States Steel Corporation
United States Steel Corporation
Location
Pittsburgh, PA 15219-2800
Pittsburgh, PA 15219-2800
Phone
412-433-2842
412-433-2842
Registration Type
ATTORNEY
ATTORNEY
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.