Engineering Research Applications, Inc.

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Prairie Village, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Molded keyboard and method of fabricating same
- Patent number RE32419
- Issue date May 12, 1987
- Engineering Research Applications, Inc.
- Craig E. Rooney
- 200 - Electricity: circuit makers and breakers
Information Patent Grant
Momentary digital encoding device for keyboards
- Patent number 4,500,757
- Issue date Feb 19, 1985
- Engineering Research Applications, Inc.
- Craig E. Rooney
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Universal keyboard and method of producing same
- Patent number 4,359,612
- Issue date Nov 16, 1982
- Engineering Research Applications, Inc.
- Craig E. Rooney
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Molded keyboard and method of fabricating same
- Patent number 4,359,613
- Issue date Nov 16, 1982
- Engineering Research Applications, Inc.
- Craig E. Rooney
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

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