RT Series Membrane Keyboard w/Zilog MPU(Z8614), Jan., 1992; NMB Technologies, Inc. of Chatsworth, Calif. (8 pages including 1 page of FIG. 4 having a date of May 16, 1988 for an elevation view of a keyswitch for Minebea Co., Ltd. |
Fujitsu Microelectronics, Inc., Electronic Components Division, Keyboard Presentation to Compaq Computer Corporation, Apr. 1, 1992 (20 pages total). |
FKB7211 Low-Profile Membrane Laptop/Notebook Standard Keyboard; .COPYRGT.1991 by Fujitsu Limited and Fujitsu Microelectronics, Inc. (2 pages total). |
FKB7300 Low-Profile Membrane Custom Keyboard; .COPYRGT.1991 by Fujitsu Limited and Fujitsu Microelectronics, Inc., Edition 1.0 (2 pages total). |
New Low-Profile Desktop Keyboard FKB4850 Series: Compact Design with Superior Key Operability; .COPYRGT.1991 by Fujitsu Limited and Fujitsu Microelectronics, Inc. (2 pages total). |
Fujitsu Keyboards FKB4700 Series; .COPYRGT.1990 Fujitsu Limited of Tokyo, Japan (4 pages total). |
SMK Keyboards Catalogue, particularly noting pp. 53-60 for SMK Standard Keyboard and 61-86 for Custom Made Keyboards (113 pages total). |