Granted Patent
Utility
US 4,784,412 · App. 07/097,844
Molded fluid conduit fitting with integral swivel nut
Inventor:
John A. Van Dongen
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Sep 16, 1987
Inventor
John A. Van Dongen
Assignee (at issue)
Red Dot 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.