Patent Attorney
John J Marshall
Reg. No. 29671
Active
Not accepting new clients
Location
Avondale, PA 19311
Avondale, PA 19311
Phone
484-720-8260
484-720-8260
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.