Granted Patent
Utility
US 6,290,228 · App. 09/309,754
Leg extensions for a lap-mounted computer game accessory
Inventors:
Thomas John Roberts, Kelly D. Tyler
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: May 11, 1999
Inventors
Thomas John Roberts
Kelly D. Tyler
Assignee (at issue)
Mad Catz, 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.