Granted Patent
Utility
US 4,863,156 · App. 07/175,690
Trampoline suspension system
Inventor:
James L. Shaw
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Mar 22, 1988
Inventor
James L. Shaw
Assignee (at issue)
Weslo, 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.