Granted Patent
Utility
US 4,280,804 · App. 06/081,020
Vacuum curing tool for composite materials
Inventor:
Charles L. Holland
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Oct 1, 1979
Inventor
Charles L. Holland
Assignee (at issue)
General Dynamics Corporation
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.