Patent Attorney
John D Henkhaus
Reg. No. 42656
Active
Not accepting new clients
Firm
John Henkhaus
John Henkhaus
Location
San Jose, CA 95139
San Jose, CA 95139
Phone
408-578-8556
408-578-8556
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.