Granted Patent
Utility
US 4,923,740 · App. 07/419,959
Multilayer forming fabric with high open area
Inventor:
Jeffrey Todd
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Oct 11, 1989
Inventor
Jeffrey Todd
Assignee (at issue)
Asten, 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.