Granted Patent
Utility
US 4,227,593 · App. 05/855,074
Kinetic energy absorbing pad
Inventors:
Robert J. Bricmont, Philip A. Hamilton, Raymond M. L. Ting
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Nov 25, 1977
Inventors
Robert J. Bricmont
Philip A. Hamilton
Raymond M. L. Ting
Assignee (at issue)
H. H. Robertson Company
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.