Granted Patent
Utility
US 4,653,513 · App. 06/764,051
Blood sampler
Inventor:
Mitchell P. Dombrowski
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Aug 9, 1985
Inventor
Mitchell P. Dombrowski
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.