Granted Patent
Utility
US 4,624,415 · App. 06/718,144
Control assembly
Inventor:
Edward G. Hofstetter, Jr.
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Apr 1, 1985
Inventor
Edward G. Hofstetter, Jr.
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.