Granted Patent
Utility
US 4,437,674 · App. 06/414,700
Fluid sealing devices
Inventor:
George K. Fling
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Sep 3, 1982
Inventor
George K. Fling
Assignee (at issue)
Vought 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.