Granted Patent
Utility
US 5,900,033 · App. 08/866,854
Apparatus and method for improved optical glass GOB preform production
Inventor:
Daniel R. Gearing
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: May 30, 1997
Inventor
Daniel R. Gearing
Assignee (at issue)
EASTMAN KODAK 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.