Granted Patent
Utility
US 5,012,619 · App. 07/454,617
Method and apparatus for forming spheres
Inventors:
Vernon E. Knepprath, Jules D. Levine
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Dec 21, 1989
Inventors
Vernon E. Knepprath
Jules D. Levine
Assignee (at issue)
Texas Instruments Incorporated
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.