Patent Attorney
David B Walker
Reg. No. 43976
Active
Not accepting new clients
Firm
Barcelo & Harrison, LLP
Barcelo & Harrison, LLP
Location
Washington, DC 20006
Washington, DC 20006
Phone
202-567-6778
202-567-6778
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.