Granted Patent
Utility
US 6,569,793 · App. 09/792,173
Fluidized reaction of synthetic silicates
Inventors:
John Albert Hockman, Steven Andrew Ciccarelli
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Feb 22, 2001
Inventors
John Albert Hockman
Steven Andrew Ciccarelli
Assignee (at issue)
Specialty Minerals (Michigan) 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.