Patent Attorney
Andrew F. Johnson
Reg. No. 73264
Active
Not accepting new clients
Firm
Donaldson Company, Inc.
Donaldson Company, Inc.
Location
Minneapolis, MN 55440-1299
Minneapolis, MN 55440-1299
Phone
952-887-3045
952-887-3045
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.