Granted Patent
Utility
US 5,395,337 · App. 08/114,472
Needle retraction system
Inventors:
Anton H. Clemens, Victor M. Haughton
Patented Case
View Patent ↗
Granted: Mar 7, 1995
Filed: Aug 31, 1993
Inventors
Anton H. Clemens
Victor M. Haughton
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.