Granted Patent
Utility
US 4,810,985 · App. 07/188,063
Electromagnet for valves
Inventor:
Gerhard Mesenich
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Apr 27, 1988
Inventor
Gerhard Mesenich
Assignee (at issue)
Colt Industries, 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.