Patent Agent
Steven K Grumbine
Reg. No. 50449
Active
Not accepting new clients
Firm
Cabot Microelectronics CORP
Cabot Microelectronics CORP
Location
Aurora, IL 60504
Aurora, IL 60504
Phone
630-375-5554
630-375-5554
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.