Granted Patent
Utility
US 4,674,638 · App. 06/798,333
Control for deflection reduction means
Inventor:
Larry J. Oliphant
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Nov 15, 1985
Inventor
Larry J. Oliphant
Assignee (at issue)
KOBE STEEL, LTD.
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.