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BE488975A
(US07935154-20110503-C00018.png)
*
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1948-05-14 |
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US2693546A
(en)
*
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1948-07-10 |
1954-11-02 |
Eitel Mccullough Inc |
Electron emitter for electron tubes
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US2525565A
(en)
*
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1948-07-12 |
1950-10-10 |
Eitel Mccullough Inc |
Filamentary cathode for electron tubes
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US2625666A
(en)
*
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1950-02-27 |
1953-01-13 |
Eitel Mccullough Inc |
Filament for electron tubes
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US2733371A
(en)
*
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1950-05-12 |
1956-01-31 |
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Internally conducttvely coated |
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US2731581A
(en)
*
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1950-12-18 |
1956-01-17 |
Krefft Hermann Eduard |
Electrode for gaseous discharge lamps
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US2922916A
(en)
*
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1953-11-10 |
1960-01-26 |
Duro Test Corp |
Electrode for fluorescent lamps
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*
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1954-04-15 |
1958-04-01 |
Machlett Lab Inc |
Filament structure
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(en)
*
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1962-02-05 |
1966-03-01 |
Polaroid Corp |
Method of forming carbide coated coiled filaments for lamps
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1981-12-31 |
1986-09-09 |
Raytheon Company |
Indirectly heated cathode
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2006-05-03 |
2007-11-08 |
Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH |
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2012-01-27 |
2014-12-30 |
Medical Energetics Ltd |
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2012-02-13 |
2014-02-18 |
Lifewave, Inc. |
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2012-04-26 |
2014-06-10 |
Lifewave, Inc. |
System configuration using a double helix conductor
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2012-05-23 |
2013-11-28 |
Osram Sylvania Inc. |
Concentric coil infrared emitter lamp
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2013-05-30 |
2019-04-16 |
Osram Sylvania Inc. |
Infrared heat lamp assembly
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2013-10-28 |
2017-05-02 |
Medical Energetics Ltd. |
Nested double helix conductors
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2013-10-28 |
2017-08-08 |
Medical Energetics Ltd. |
Double helix conductor with light emitting fluids for producing photobiomodulation effects in living organisms
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2013-12-13 |
2018-01-09 |
Medical Energetics Ltd. |
Double helix conductor with winding around core
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2014-03-05 |
2015-09-11 |
Medical Energetics Ltd. |
Double helix conductor with eight connectors and counter-rotating fields
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2014-04-07 |
2016-10-11 |
Medical Energetics Ltd |
Using a double helix conductor to treat neuropathic disorders
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2014-04-10 |
2015-10-29 |
Medical Energetics Ltd. |
Double helix conductor with counter-rotating fields
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2015-02-20 |
2018-09-25 |
Medical Energetics Ltd. |
Dual double helix conductors with light sources
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2015-06-09 |
2016-12-15 |
Medical Energetics Ltd. |
Dual double helix conductors used in agriculture
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2015-09-01 |
2024-06-04 |
Medical Energetics Ltd. |
Rotating dual double helix conductors
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