Granted Patent
Utility
US 3,967,627 · App. 05/524,572
Hot/cold applicator system
Inventor:
Billy E. Brown
Patented Case
View Patent ↗
Granted: Jul 6, 1976
Filed: Nov 18, 1974
Inventor
Billy E. Brown
Assignee (at issue)
Moore-Perk Corporation
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.