Granted Patent
Utility
US 4,580,565 · App. 06/709,017
Lancet injector
Inventors:
William D. Cornell, Carnot Evans
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Mar 7, 1985
Inventors
William D. Cornell
Carnot Evans
Assignee (at issue)
Sherwood Medical Company
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.