Granted Patent
Utility
US 4,780,158 · App. 07/051,807
Novel method for heating cylindrical articles and apparatus useful therefor
Inventor:
Samuel Thomas
Patented Case
View Patent ↗
Granted: Oct 25, 1988
Filed: May 18, 1987
Inventor
Samuel Thomas
Assignee (at issue)
The Kendall Company LP
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.