Granted Patent
Utility
US 4,256,677 · App. 05/675,860
Apparatus and method for making small spheres
Inventor:
Lawrence L. Lee
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Apr 12, 1976
Inventor
Lawrence L. Lee
Assignee (at issue)
Magnavox Government and Industrial Electronics 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.