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Home › Capacitive pointing stick apparatus with floating conductive cone for symbol manipulation in a graphical user interface

Capacitive pointing stick apparatus with floating conductive cone for symbol manipulation in a graphical user interface

US Patent 6437772 · Granted Aug 20, 2002

Estimated economic value: $9,830,000 ⓘ

Assignee

IBM

Inventors

Thomas G. Zimmerman (59 patents)
Barton A. Smith (29 patents)

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