Granted Patent
Utility
US 5,255,205 · App. 07/487,658
Method and apparatus for regulating fluid flow
Inventors:
Christopher M. Wurm, Lenore R. Frank, Lee H. Altmayer
Patented Case
View Patent ↗
Granted: Oct 19, 1993
Filed: Mar 2, 1990
Inventors
Christopher M. Wurm
Lenore R. Frank
Lee H. Altmayer
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.