Patent Agent
John W Caldwell
Reg. No. 28937
Active
Not accepting new clients
Location
Rose Valley, PA 19086
Rose Valley, PA 19086
Phone
610-565-1391
610-565-1391
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.