Patent Attorney
William Erwin Shull
Reg. No. 29438
Active
Not accepting new clients
Firm
Halliburton Energy Services, Inc.
Halliburton Energy Services, Inc.
Location
Houston, TX 77032
Houston, TX 77032
Phone
281-871-4572
281-871-4572
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.