Granted Patent
Utility
US 5,411,333 · App. 08/109,689
Recyclable drawer slide
Inventor:
Keith A. Hoffman
Patented Case
View Patent ↗
Granted: May 2, 1995
Filed: Aug 20, 1993
Inventor
Keith A. Hoffman
Assignee (at issue)
KNAPE & VOGT MANUFACTURING COMPANY
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.