Granted Patent
Utility
US 5,655,258 · App. 08/615,569
Device for aspirating fluids from hospital operating room floor
Inventor:
J. Aaron Heintz
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Mar 12, 1996
Inventor
J. Aaron Heintz
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.