Granted Patent
Utility
US 5,950,677 · App. 08/905,176
Pressure equalization valve
Inventor:
Yeshwant K. Bhide
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Aug 4, 1997
Inventor
Yeshwant K. Bhide
Assignee (at issue)
DIAMOND POWER INTERNATIONAL, LLC
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.