Patent Attorney
J Darwin King
Reg. No. 76347
Active
Not accepting new clients
Firm
Ference & Associates
Ference & Associates
Location
Pittsburgh, PA 15143
Pittsburgh, PA 15143
Phone
412-741-8400
412-741-8400
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.