Lyman L. Blackwell

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-monitoring battery operated circuit
- Patent number RE29983
- Issue date May 1, 1979
- Emerson Electric Co.
- Lyman L. Blackwell
- 340 - Communications: electrical
Information Patent Grant
Aerosol detection device
- Patent number 4,093,886
- Issue date Jun 6, 1978
- Statitrol Corporation
- Lyman L. Blackwell
- G08 - SIGNALLING
Information Patent Grant
Multi-element ionization chamber
- Patent number 4,012,729
- Issue date Mar 15, 1977
- Statitrol Corporation
- Stephen Weaver
- G08 - SIGNALLING