Granted Patent
Utility
US 6,443,512 · App. 09/931,632
Shock absorbing bumper system
Inventors:
H. Barteld Van Rees, Delbert Lippert
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Aug 16, 2001
Inventors
H. Barteld Van Rees
Delbert Lippert
Assignee (at issue)
Raytheon 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.