Granted Patent
Utility
US 4,688,608 · App. 06/854,117
Filling valves for cans and like containers
Inventors:
Stanley J. Puskarz, Herbert S. Shalit, Shiva S. Singh
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Apr 21, 1986
Inventors
Stanley J. Puskarz
Herbert S. Shalit
Shiva S. Singh
Assignee (at issue)
Figgie Inernational 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.