This is a preview of upcoming Admiral Shark's Keyboards content. This page is considered work-in-progress and should be treated as such.
A gallery of patents that describe technologies or illustrate designs relating to IBM and family keyboards, typewriters and keypunches. This includes keyswitch/actuator designs, ornamental designs (overall appearance), integrated pointing devices such as TrackPoints, and host systems such as PCs, laptops, terminals, consoles and electronic typewriters. All illustrations provided are from the patents themselves, which are believed to be within the public domain. A total of 112 patents have been recorded. The patent list is currently filtered to 3 patent(s).
U.S. Design Patent 346,377 (USD346377S)
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| Name | Keyboard |
|---|---|
| Inventors | Kenneth H. Mimlitch, Thomas E. Pangburn |
| Assignees | Lexmark |
| Description | An ornamental design depicting a Lexmark Classic Touch Keyboard with Integrated 16mm Trackball (Model M5-1). |
U.S. Utility Patent 5,454,652 (US5454652A)
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| Name | Adjustable keyboard |
|---|---|
| Inventors | John M. Huellemeier, Charles H. Lingle, Kenneth H. Mimlitch, Edward E. Pollard, Raymond H. Reichenbach, Jr. |
| Assignees | Lexmark, Maxi Switch |
| Description | An invention for a keyboard capable of splitting for ergonomic adjustment, centred around a pivot connection between the keyboard's two halves. This was implemented as the IBM Adjustable Keyboard and Lexmark Select-Ease Keyboard (Model M15). |
U.S. Design Patent 362,434 (USD362434S)
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| Name | Adjustable keyboard for a personal computer |
|---|---|
| Inventors | William A. Abell, Jr., David C. Bishop, Edwin T. Coleman, III, John M. Huellemeier, Charles H. Lingle, Peter J. Mendel, Kenneth H. Mimlitch, Edward E. Pollard, Steven A. Silverstein |
| Assignees | Maxi Switch |
| Description | An ornamental design photographing an IBM Adjustable Keyboard or Lexmark Select-Ease Keyboard (Model M15). |