Granted Patent
Utility
US 5,142,997 · App. 07/607,421
Projectile resisting space dividing system
Inventors:
Ronald B. DeLong, Michael W. Worthington, Floyd L. Cook, Jr.
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Oct 31, 1990
Inventors
Ronald B. DeLong
Michael W. Worthington
Floyd L. Cook, Jr.
Assignee (at issue)
Westinghouse Electric Company LLC
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.