Granted Patent
Utility
US 5,970,844 · App. 09/028,076
Cylinder sleeve assembly
Inventors:
William Harry Lynn, Paul J. Thomas, Gerald A. Armfield
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Feb 23, 1998
Inventors
William Harry Lynn
Paul J. Thomas
Gerald A. Armfield
Assignee (at issue)
THOMAS 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.