Granted Patent
Utility
US 6,105,272 · App. 09/100,970
High temperature rotating vacuum kiln for heat treating solid particulate material under a vacuum
Inventor:
Allan C. Morgan
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Jun 22, 1998
Inventor
Allan C. Morgan
Assignee (at issue)
Cabot Corporation
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.