Granted Patent
Utility
US 6,202,534 · App. 09/229,587
Variable speed common axis control sprockets used in a shell casing unloading device
Inventors:
David Russell Baxter, Edward A. Prouix, Bernard A. Derry
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Jan 13, 1999
Inventors
David Russell Baxter
Edward A. Prouix
Bernard A. Derry
Assignee (at issue)
General Dynamics Armament Systems, 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.