IP Library
Patent Attorney

Donald J Ersler

Reg. No. 38753
Active
Not accepting new clients
Firm
Donald J. Ersler, S.C.
Location
Elm Grove, WI 53005
Phone
262-785-0160
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Donald J. Ersler, S.C.
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.