Granted Patent
Utility
US 4,566,552 · App. 06/552,582
Hood tilt retardation system
Inventors:
Lawrence Andrew Hoffman, Jay P. Hacker, William M. Miller
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Nov 16, 1983
Inventors
Lawrence Andrew Hoffman
Jay P. Hacker
William M. Miller
Assignee (at issue)
International Harvester 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.