Patent Agent
Donald L Andruska
Reg. No. 55798
Active
Not accepting new clients
Location
Glen Ellyn, IL 60137
Glen Ellyn, IL 60137
Phone
630-469-3906
630-469-3906
Registration Type
AGENT
AGENT
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.