Granted Patent
Utility
US 5,443,452 · App. 08/051,609
Seal assembly for access device
Inventors:
Charles C. Hart, Donald L. Gadberry
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Apr 23, 1993
Inventors
Charles C. Hart
Donald L. Gadberry
Assignee (at issue)
Applied Medical Resources 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.