Granted Patent
Utility
US 4,627,243 · App. 06/780,278
Gas supply system for variable demand application
Inventor:
Herbert Raymond Schaub
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Sep 26, 1985
Inventor
Herbert Raymond Schaub
Assignee (at issue)
Union Carbide 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.