Granted Patent
Utility
US 4,845,998 · App. 07/150,756
Apparatus for precision tensioning of threaded fasteners
Inventors:
David L. DeMartelaere, Craig B. Lindquist
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Feb 1, 1988
Inventors
David L. DeMartelaere
Craig B. Lindquist
Assignee (at issue)
Kent-Moore 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.