Patent Attorney
Brett A. Klein
Reg. No. 64448
Active
Not accepting new clients
Firm
Winthrop & Weinstine, P.A.
Winthrop & Weinstine, P.A.
Location
Minneapolis, MN 55402
Minneapolis, MN 55402
Phone
612-604-6392
612-604-6392
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.