Granted Patent
Utility
US 4,448,134 · App. 06/415,112
Uniform dispensing of granular material from a vessel
Inventor:
Jerry B. Foote
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Sep 7, 1982
Inventor
Jerry B. Foote
Assignee (at issue)
Energy Products of Idaho
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.