Theodore E. Larsen

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Edina, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of selecting and reproducing language characters
- Patent number 4,698,758
- Issue date Oct 6, 1987
- Intech-Systems, Inc.
- Theodore E. Larsen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Radiation detection tube having spurious radiation shield
- Patent number 4,581,536
- Issue date Apr 8, 1986
- Detector Electronics Corp.
- Claudio C. Groppetti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Smoke and flame detector
- Patent number 4,547,673
- Issue date Oct 15, 1985
- Detector Electronics Corporation
- Theodore E. Larsen
- G08 - SIGNALLING
Information Patent Grant
Ultraviolet detection tube quenching circuitry
- Patent number 4,162,425
- Issue date Jul 24, 1979
- Detector Electronics Corporation
- Theodore E. Larsen
- G01 - MEASURING TESTING
Information Patent Grant
Circuitry for continually monitoring radiation detection systems
- Patent number 4,027,164
- Issue date May 31, 1977
- Detector Electronics Corporation
- Theodore E. Larsen
- G01 - MEASURING TESTING
Information Patent Grant
Radiation detection apparatus
- Patent number 3,952,196
- Issue date Apr 20, 1976
- Detector Electronics Corporation
- Theodore E. Larsen
- G08 - SIGNALLING