TypeRight Keyboard Corporation

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Encinitas, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ergonomic keyboard apparatus and method of using same
- Patent number 5,503,484
- Issue date Apr 2, 1996
- TypeRight Keyboard Corporation
- William M. Louis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ergonomic keyboard apparatus with left and right key section separa...
- Patent number 5,372,441
- Issue date Dec 13, 1994
- TypeRight Keyboard Corporation
- William M. Louis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Keyboard panel for an information system terminal
- Patent number D340043
- Issue date Oct 5, 1993
- TypeRight Keyboard Corporation
- William M. Louis
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Keyboard for an information system terminal
- Patent number D339800
- Issue date Sep 28, 1993
- TypeRight Keyboard Corporation
- William M. Louis
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Membrane keyboard and method of using same
- Patent number 5,212,473
- Issue date May 18, 1993
- TypeRight Keyboard Corp.
- William M. Louis
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

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