Granted Patent
Utility
US 5,225,020 · App. 07/747,548
Pultrusion mandrel with integral, intercooled resin injector and method of using the same
Inventors:
John Millett, Jose Munoz
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Aug 20, 1991
Inventors
John Millett
Jose Munoz
Assignee (at issue)
W.R. Grace & Co. Conn.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.