Granted Patent
Utility
US 5,127,556 · App. 07/731,483
Low mass piston system for necked-in aerosol cans
Inventor:
Anthony J. Sporri
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Jul 17, 1991
Inventor
Anthony J. Sporri
Assignee (at issue)
United States Can 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.