Granted Patent
Utility
US 4,728,552 · App. 06/628,354
Substrate containing fibers of predetermined orientation and process of making the same
Inventor:
Elmer Jensen
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Jul 6, 1984
Inventor
Elmer Jensen
Assignee (at issue)
Rodel Holdings, 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.