Granted Patent
Utility
US 5,226,799 · App. 07/906,826
Ultrahigh pressure poppet valve with low wear
Inventors:
Chidambaram Raghavan, Olivier L. Tremoulet, Jr., Edmund Y. Ting
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Jun 30, 1992
Inventors
Chidambaram Raghavan
Olivier L. Tremoulet, Jr.
Edmund Y. Ting
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.