Granted Patent
Utility
US 5,613,952 · App. 08/481,093
Safety syringe
Inventors:
William B. S. Pressly, Sr., Charles A. Vaughn, Sr., G. Samuel Brockway, Thomas R. Ellis
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Jun 7, 1995
Inventors
William B. S. Pressly, Sr.
Charles A. Vaughn, Sr.
G. Samuel Brockway
Thomas R. Ellis
Assignee (at issue)
Syringe Development Partners L.L.C.
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.