Granted Patent
Utility
US 4,397,355 · App. 06/268,482
Whipstock setting method and apparatus
Inventor:
Roy T. McLamore
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: May 29, 1981
Inventor
Roy T. McLamore
Assignee (at issue)
Masco 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.