Patent Attorney
Daniel N Calder
Reg. No. 27424
Active
Not accepting new clients
Firm
Volpe and Koenig
Volpe and Koenig
Location
Philadelphia, PA 19103
Philadelphia, PA 19103
Phone
215-255-9156
215-255-9156
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.