Donald Charles Francis Jr.

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Cedar Rapids, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Circuit breaker with handle locking device
- Patent number 5,817,998
- Issue date Oct 6, 1998
- Square D Company
- Randall Luther Siebels
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker with improved impact resistance
- Patent number 5,808,249
- Issue date Sep 15, 1998
- Square D Company
- Donald Charles Francis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker with terminal nut retainer
- Patent number 5,772,479
- Issue date Jun 30, 1998
- Dennis William Fleege
- H01 - BASIC ELECTRIC ELEMENTS