Granted Patent
Utility
US 5,713,609 · App. 08/757,163
Rotary union apparatus
Inventor:
James V. Mascola
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Nov 27, 1996
Inventor
James V. Mascola
Assignee (at issue)
VEKTEK, INC.
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.