Granted Patent
Utility
US 6,135,922 · App. 09/345,084
Trampoline attachment
Inventor:
George P. Nissen
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Jun 30, 1999
Inventor
George P. Nissen
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.