Granted Patent
Utility
US 5,960,829 · App. 08/838,238
No drip vacuum tight connector
Inventor:
James A. Sigler
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Apr 17, 1997
Inventor
James A. Sigler
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.