Granted Patent
Utility
US 5,284,324 · App. 07/956,162
Derrick
Inventor:
Richard E. Bunger
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Oct 5, 1992
Inventor
Richard E. Bunger
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.