Granted Patent
Utility
US 6,524,544 · App. 09/699,100
Self-regenerative process for contaminant removal from ammonia
Inventors:
Daniel Alvarez, Jr., Jeffrey J. Spiegelman
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Oct 27, 2000
Inventors
Daniel Alvarez, Jr.
Jeffrey J. Spiegelman
Assignee (at issue)
Aeronex, 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.