Granted Patent
Utility
US 5,358,372 · App. 08/089,885
Sheet block inverter
Inventor:
Craig Meredith
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Jul 8, 1993
Inventor
Craig Meredith
Assignee (at issue)
Thermoguard Equipment, Inc.
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.