Granted Patent
Utility
US 4,648,559 · App. 06/794,450
Electromagnetically actuatable fluid valve
Inventor:
William A. Fuller
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Nov 4, 1985
Inventor
William A. Fuller
Assignee (at issue)
Colt Industries Operating Corporation
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.