Patent Agent
William M Blackstone
Reg. No. 29772
Active
Not accepting new clients
Location
Baltimore, MD 21210
Baltimore, MD 21210
Phone
410-433-1014
410-433-1014
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.