Granted Patent
Utility
US 5,984,892 · App. 08/714,354
Blood aspirator
Inventor:
William Bedingham
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Sep 16, 1996
Inventor
William Bedingham
Assignee (at issue)
Minnesota Mining and Manufacturing 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.