Patent Attorney
Martha J. Engel
Reg. No. 61534
Active
Not accepting new clients
Firm
3M
3M
Location
Saint Paul, MN 55144
Saint Paul, MN 55144
Phone
651-420-0632
651-420-0632
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.