Patent Attorney
Ryan M Spanheimer
Reg. No. 73977
Active
Not accepting new clients
Firm
Fredrikson & Byron
Fredrikson & Byron
Location
Minneapolis, MN 55402
Minneapolis, MN 55402
Phone
402-981-0450
402-981-0450
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.