Granted Patent
Utility
US 4,928,494 · App. 07/286,683
Incremental electrically actuated valve
Inventor:
Paul R. Glamm
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Dec 20, 1988
Inventor
Paul R. Glamm
Assignee (at issue)
American Standard 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.