Granted Patent
Utility
US 4,949,089 · App. 07/398,188
Portable target locator system
Inventor:
Robert A. Ruszkowski, Jr.
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Aug 24, 1989
Inventor
Robert A. Ruszkowski, Jr.
Assignee (at issue)
General Dynamics 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.