Patent Attorney
John Martin Howell
Reg. No. 33713
Active
Not accepting new clients
Location
Napa, CA 94559
Napa, CA 94559
Phone
707-666-2259
707-666-2259
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.