Granted Patent
Utility
US 5,492,182 · App. 08/215,689
Harrow
Inventor:
Ronald T. Delaurier
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Mar 22, 1994
Inventor
Ronald T. Delaurier
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.