Patent Attorney
Gregory D Caldwell
Reg. No. 39926
Active
Not accepting new clients
Firm
Elliott Ostrander & Preston, P.C.
Elliott Ostrander & Preston, P.C.
Location
Portland, OR 97205
Portland, OR 97205
Phone
503-224-7112
503-224-7112
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.