IP Library
Patent Attorney

David W Grillo

Reg. No. 52970
Active
Not accepting new clients
Firm
Shumaker & Sieffert, P.A.
Location
Saint Paul, MN 55125
Phone
651-286-8040
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Shumaker & Sieffert, P.A.
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.