Granted Patent
Utility
US 4,480,469 · App. 06/436,354
Adjustable differential fluid level float indicator
Inventor:
Charles Tice
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Oct 25, 1982
Inventor
Charles Tice
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.