Granted Patent
Utility
US 4,909,929 · App. 07/261,117
Interlocking clamping system
Inventor:
Hollis H. Tabor
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Oct 24, 1988
Inventor
Hollis H. Tabor
Assignee (at issue)
NORRIS SCREEN AND MANUFACTURING, 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.