Granted Patent
Utility
US 4,557,984 · App. 06/688,091
Adapter guide for air supply tube
Inventor:
Ralph V. Offidani
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Dec 31, 1984
Inventor
Ralph V. Offidani
Assignee (at issue)
GNB Batteries Inc.
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.