Granted Patent
Utility
US 5,328,720 · App. 07/965,727
Coating-fluidizing gas supply system and method for flat bottom coater
Inventors:
Michael R. Emken, Billie F. Hightower
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Oct 23, 1992
Inventors
Michael R. Emken
Billie F. Hightower
Assignee (at issue)
Carbon Implants, 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.