Granted Patent
Utility
US 6,202,684 · App. 09/322,249
Pressure control system
Inventors:
Geoffrey Dennis Angel, Daniel Kemp
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: May 28, 1999
Inventors
Geoffrey Dennis Angel
Daniel Kemp
Assignee (at issue)
Huntleigh Technology, PLC
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.