Granted Patent
Utility
US 4,979,588 · App. 07/478,401
Overhead impact sensing system
Inventors:
Ronald L. Pike, Ronald W. Beckley, Donald C. Hade, Jr., Robert D. Backer
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Feb 12, 1990
Inventors
Ronald L. Pike
Ronald W. Beckley
Donald C. Hade, Jr.
Robert D. Backer
Assignee (at issue)
Kiddie 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.