Granted Patent
Utility
US 6,494,510 · App. 09/782,566
Impact absorbing mechanism and bumper reinforcement having the mechanism
Inventors:
Masaharu Okamura, Toshifumi Sakai
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Feb 13, 2001
Inventors
Masaharu Okamura
Toshifumi Sakai
Assignee (at issue)
GP DAIKYO 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.