Granted Patent
Utility
US 4,676,783 · App. 06/771,640
Retractable safety needle
Inventors:
Janine C. Jagger, Richard David Pearson, Patrice G. Guyenet
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Sep 3, 1985
Inventors
Janine C. Jagger
Richard David Pearson
Patrice G. Guyenet
Assignee (at issue)
University of Virginia Alumni Patents Foundation
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.