Granted Patent
Utility
US 4,463,046 · App. 06/540,336
Synthetic resin panels joined by an integral hinge having dual durometer plies
Inventors:
Herbert Hutchison, Byron W. Rose
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Oct 11, 1983
Inventors
Herbert Hutchison
Byron W. Rose
Assignee (at issue)
Crane Plastics Company LLC
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.