IP Library
Patent Agent

Ronald Andrew duBois

Reg. No. 57715
Active
Not accepting new clients
Firm
Patent Portfolio Building, PLLC
Location
Fredericksburg, VA 22401
Phone
540-361-1863 EXT. 128
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at Patent Portfolio Building, PLLC
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.