Granted Patent
Utility
US 4,896,404 · App. 07/316,508
Closure device for artificial turf sections
Inventor:
Bernard L. Garner
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Feb 27, 1989
Inventor
Bernard L. Garner
Assignee (at issue)
Astroturf Industries, 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.