Patent Attorney
Charles Michael Gegenheimer
Reg. No. 33387
Active
Not accepting new clients
Firm
C. Michael Gegenheimer LLC
C. Michael Gegenheimer LLC
Location
Columbus, OH 43220
Columbus, OH 43220
Phone
614-432-4935
614-432-4935
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.