Patent Attorney
Donald J Ranft
Reg. No. 53501
Active
Not accepting new clients
Firm
Collen IP
Collen IP
Location
Ossining, NY 10562
Ossining, NY 10562
Phone
914-941-5668
914-941-5668
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.