Patent Attorney
Donald N Halgren
Reg. No. 27056
Active
Not accepting new clients
Location
Manchester, MA 01944
Manchester, MA 01944
Phone
978-526-8000
978-526-8000
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.