Granted Patent
Utility
US 4,089,331 · App. 05/747,583
Surgical drape with fenestration liner
Inventors:
Edward G. Hartigan, Donald Patience
Patented Case
View Patent ↗
Granted: May 16, 1978
Filed: Dec 6, 1976
Inventors
Edward G. Hartigan
Donald Patience
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.