Granted Patent
Utility
US 4,583,346 · App. 06/515,334
Method and apparatus for pressurizing containers
Inventor:
Toshinori Kameda
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Jul 19, 1983
Inventor
Toshinori Kameda
Assignee (at issue)
National Crane Corporation
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.