Patent Attorney
Betty M Ellsworth Ungerman
Reg. No. 35794
Active
Not accepting new clients
Firm
Lennox International Inc.
Lennox International Inc.
Location
Richardson, TX 75080-2254
Richardson, TX 75080-2254
Phone
972-497-5196
972-497-5196
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.