Granted Patent
Utility
US 5,448,865 · App. 08/109,770
Panel interlocking means with stiffener
Inventor:
Michael J. Palmersten
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Aug 20, 1993
Inventor
Michael J. Palmersten
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.