Granted Patent
Utility
US 4,592,746 · App. 06/743,126
Syringe and locking device and method of assembling same
Inventors:
Richard A. Burkholder, Richard W. Gilson, Clarence L. Walker
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Jun 10, 1985
Inventors
Richard A. Burkholder
Richard W. Gilson
Clarence L. Walker
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.