Patent Attorney
Charles Raymond Ducker
Reg. No. 46542
Active
Firm
United States Department of Transportation
United States Department of Transportation
Location
Washington, DC 20590
Washington, DC 20590
Phone
202-875-3763
202-875-3763
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.