|
| US4029916 | 18 Apr 1975 | 14 Jun 1977 | Northern Electric Company Limited | Multi-contact push-button switch and plural embodiment for keyboard switch assembly |
| US4032728 | 10 Dec 1975 | 28 Jun 1977 | Olympia Werke AG | Push button switch |
| US4095066 | 4 Aug 1976 | 13 Jun 1978 | International Business Machines Corporation | Hinged flyplate actuator |
| US4096364 | 22 Feb 1977 | 20 Jun 1978 | Chomerics, Inc. | Keyboard switch assembly having flexible contact layer with snap initiator dome |
| US4190748 | 31 Jan 1977 | 26 Feb 1980 | Rogers Corporation | Keyboard switch assembly |
| US4362910 | 31 Dec 1980 | 7 Dec 1982 | Ark-Les Corporation | Electrical switch |
| US4430531 | 15 Mar 1982 | 7 Feb 1984 | Hewlett-Packard Company | Snap disc keyboard |
| US4438304 | 1 Oct 1982 | 20 Mar 1984 | Cherry Electrical Products Corporation | Double throw snap action switch |
| US4486637 | 2 Jul 1982 | 4 Dec 1984 | Northern Telecom Limited | Pushbutton switch assembly |
| US4618744 | 29 Apr 1985 | 21 Oct 1986 | Advanced Input Devices, Inc. | Rocker key elastomer dome keyboard |
| US5530621 | 14 Sep 1994 | 25 Jun 1996 | Motorola, Inc. | Portable electronic module device with tactile button and tact switch |
| USRE32419 | 27 Jan 1986 | 12 May 1987 | Engineering Research Applications, Inc. | Molded keyboard and method of fabricating same |
