Granted Patent
Utility
US 6,422,536 · App. 09/614,885
Lifter apparatus for raising and lowering a part
Inventors:
Reginald D. Kelley, Michael Sharratt, Kenneth A. Baker
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jul 12, 2000
Inventors
Reginald D. Kelley
Michael Sharratt
Kenneth A. Baker
Assignee (at issue)
Force Control Industries, 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.