Granted Patent
Utility
US 4,476,872 · App. 06/379,681
Esophageal probe with disposable cover
Inventor:
Alfred R. Perlin
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: May 12, 1982
Inventor
Alfred R. Perlin
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.