Granted Patent
Utility
US 4,585,445 · App. 06/766,630
Hypodermic syringe holder for use with disposal ampoules
Inventor:
Frederick B. Hadtke
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Aug 19, 1985
Inventor
Frederick B. Hadtke
Assignee (at issue)
Sterling Drug, 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.