Granted Patent
Utility
US 5,462,639 · App. 08/181,070
Method of treating particles
Inventors:
Mark Matthews, Louanne Kay Brown
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Jan 12, 1994
Inventors
Mark Matthews
Louanne Kay Brown
Assignee (at issue)
Texas Instruments Incorporated
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.