Granted Patent
Utility
US 5,304,192 · App. 08/002,298
Lancet with locking cover
Inventor:
Roger L. Crouse
Patented Case
View Patent ↗
Granted: Apr 19, 1994
Filed: Jan 8, 1993
Inventor
Roger L. Crouse
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.