Patent Attorney
Donald F Haas
Reg. No. 26177
Active
Not accepting new clients
Location
Houston, TX 77069
Houston, TX 77069
Phone
281-893-6939
281-893-6939
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.