Granted Patent
Utility
US 5,086,922 · App. 07/536,708
Disposal for needles and syringes
Inventors:
William E. Sagstetter, John E. Cooke
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Jun 12, 1990
Inventors
William E. Sagstetter
John E. Cooke
Assignee (at issue)
Medical Safety Products, Inc.
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.