Granted Patent
Utility
US 4,537,219 · App. 06/539,797
Fluid-sampling valve for a hydraulic system
Inventor:
William P. Milish
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Oct 7, 1983
Inventor
William P. Milish
Assignee (at issue)
Transamerica DeLaval Inc.
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.