Granted Patent
Utility
US 5,458,905 · App. 08/082,390
Aqueous dispersion of silicone oil and method of adding silicone oil to a solid substrate
Inventor:
David G. Heagle
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Jun 28, 1993
Inventor
David G. Heagle
Assignee (at issue)
Lydall, 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.