Granted Patent
Utility
US 5,336,959 · App. 07/990,359
Impact zone detection device
Inventors:
Kyung-Tae Park, Raymond F. Gastgeb
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Dec 11, 1992
Inventors
Kyung-Tae Park
Raymond F. Gastgeb
Assignee (at issue)
Whitaker & 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.