Patent Attorney
John M Bollinger
Reg. No. 65711
Active
Not accepting new clients
Firm
Volpe and Koenig, P.C.
Volpe and Koenig, P.C.
Location
Philadelphia, PA 19103
Philadelphia, PA 19103
Phone
610-213-6283
610-213-6283
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.