Granted Patent
Utility
US 6,040,355 · App. 09/108,623
Foundry curing system
Inventor:
Kenneth R. Kurple
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jul 1, 1998
Inventor
Kenneth R. Kurple
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.