1
Kenny R Spence: Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch. Key Tronic Corporation, Wells St John Roberts Gregory & Matkin, June 6, 1995: US05422447 (44 worldwide citation)

An improved alphanumeric keyboard 10 is illustrated for use in lap top or notebook personal computers 12. The keyboard 10 has a plurality of full travel, self leveling keyswitches 14 for actuating printed circuit electrical contacts 22 and 26 when the keyswitch is depressed. The keyboard 10 includes ...


2
Spence Kenny Ray: Improved keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch. Key Tronic, May 1, 1996: EP0708972-A1

An improved alphanumeric keyboard (10) is illustrated for use in lap top or notebook personal computers (12). The keyboard (10) has a plurality of full-travel, self-leveling keyswitches (14) for actuating printed circuit electrical contacts (22 and 26) when the keyswitch is depressed. The keyboard ( ...


3
Spence Kenny Ray: Improved keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch. Key Tronic Corporation, Spence Kenny Ray, ST JOHN Richard J, October 26, 1995: WO/1995/028727

An improved alphanumeric keyboard (10) is illustrated for use in lap top or notebook personal computers (12). The keyboard (10) has a plurality of full-travel, self-leveling keyswitches (14) for actuating printed circuit electrical contacts (22 and 26) when the keyswitch is depressed. The keyboard ( ...