Granted Patent
Utility
US 4,749,892 · App. 07/063,440
Spring arrangement with additional mass for improvement of the dynamic behavior of electromagnetic systems
Inventor:
Gerhard Mesenich
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Jun 18, 1987
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.