Granted Patent
Utility
US 4,540,412 · App. 06/513,573
Device for moist heat therapy
Inventor:
Ronald R. Van Overloop
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Jul 14, 1983
Inventor
Ronald R. Van Overloop
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.