Granted Patent
Utility
US 5,564,469 · App. 08/365,512
Erosion resistant high pressure relief valve
Inventors:
Olivier L. Tremoulet, Jr., Chidambaram Raghavan, Edmund Y. Ting, Glenn A. Erichsen
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Dec 28, 1994
Inventors
Olivier L. Tremoulet, Jr.
Chidambaram Raghavan
Edmund Y. Ting
Glenn A. Erichsen
Assignee (at issue)
Flow International 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.