Granted Patent
Utility
US 4,233,053 · App. 06/021,136
Speed adaptive conveyor drive for a glass manufacturing system
Inventor:
John S. Nitschke
Patented Case
View Patent ↗
Granted: Nov 11, 1980
Filed: Mar 16, 1979
Inventor
John S. Nitschke
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.