Granted Patent
Utility
US 4,715,573 · App. 06/934,997
Convertible tool tray and support stand for mechanics tool
Inventor:
Reinald D. Liegel
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Nov 26, 1986
Inventor
Reinald D. Liegel
Assignee (at issue)
Hein-Werner Corporation
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.