Granted Patent
Utility
US 5,433,163 · App. 08/070,254
Pump out adaptor
Inventor:
Edward McKiernan
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Jun 2, 1993
Inventor
Edward McKiernan
Assignee (at issue)
BellandTechnology AG
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.