Google Patents Multiple linked game controllersĭownload PDF Info Publication number US5421590A US5421590A US08/096,340 US9634093A US5421590A US 5421590 A US5421590 A US 5421590A US 9634093 A US9634093 A US 9634093A US 5421590 A US5421590 A US 5421590A Authority US United States Prior art keywords controller memory signal control input port Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
Google Patents US5421590A - Multiple linked game controllers US5421590A - Multiple linked game controllers
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