Granted Patent
Utility
US 5,693,271 · App. 08/601,369
Rotationally molding an insulated plastic molded door with integral hinge
Inventors:
Carl J. Johnson, Michael Cloyd, Thomas McCormick
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Feb 14, 1996
Inventors
Carl J. Johnson
Michael Cloyd
Thomas McCormick
Assignee (at issue)
Chase Industries, Inc.
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.