Patent Agent
Charlotte R Otto
Reg. No. 33987
Active
Not accepting new clients
Firm
E.I. DuPont
E.I. DuPont
Location
Wilmington, DE 19805
Wilmington, DE 19805
Phone
302-999-2509
302-999-2509
Registration Type
AGENT
AGENT
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.