Granted Patent
Utility
US 5,325,932 · App. 07/859,321
Down reaming apparatus
Inventors:
Llewellan Anderson, Brian W. Kelley, Larry F. Rowe, Thomas C. Whitehouse
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Mar 27, 1992
Inventors
Llewellan Anderson
Brian W. Kelley
Larry F. Rowe
Thomas C. Whitehouse
Assignee (at issue)
Robbins, Inc.
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.