Granted Patent
Utility
US 6,109,913 · App. 09/420,734
Method and apparatus for disposing of waste dust generated in the manufacture of cement clinker
Inventor:
Rom D. Young
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Oct 20, 1999
Inventor
Rom D. Young
Assignee (at issue)
Texas Industries, Inc.
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.