Granted Patent
Utility
US 5,161,786 · App. 07/700,613
Plastic stand pipe support for load-bearing adjustable column
Inventor:
Yoav Cohen
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: May 15, 1991
Inventor
Yoav Cohen
Assignee (at issue)
Fichtel & Sachs 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.