Patent Agent
Ulrich Y Schaff
Reg. No. 77560
Active
Not accepting new clients
Firm
Sandstone Diagnostics, Inc.
Sandstone Diagnostics, Inc.
Location
Pleasanton, CA 94588
Pleasanton, CA 94588
Phone
510-393-5164
510-393-5164
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.