IP Library
Patent Attorney

David Francis Janci

Reg. No. 28620
Active
Not accepting new clients
Firm
USG CORP
Location
Libertyville, IL 60048
Phone
847-970-5113
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at USG CORP
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.