Granted Patent
Utility
US 5,154,165 · App. 07/797,162
Medical devices
Inventors:
Thomas S. Elliott, Phillip O. Byrne
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Nov 26, 1991
Inventors
Thomas S. Elliott
Phillip O. Byrne
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.