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1969-03-11 |
1975-07-15 |
Philips Corp |
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1972-09-22 |
1973-12-18 |
Westinghouse Electric Corp |
Apparatus and method for eliminating microcracks in alumina ceramic discharge devices
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1975-05-14 |
1976-12-07 |
Westinghouse Electric Corporation |
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1979-04-03 |
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1979-08-01 |
1981-07-28 |
General Electric Co. |
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1982-04-20 |
1986-12-30 |
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High-pressure discharge lamp with low power input
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1984-05-07 |
1986-09-30 |
Gte Products Corporation |
High intensity discharge lamp alkali metal loss reduction means
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1986-06-06 |
1996-08-22 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Kompakte Metallhalogenidentladungslampe
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1986-10-20 |
1992-04-28 |
Tungsram Reszvenytarsasag |
Metal halogen discharge lamp containing alkali-halogenide additive
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1988-04-15 |
1989-09-12 |
North American Philips Corp. |
Electric lamp with reduced internal photoelectron production
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1988-09-30 |
1990-07-17 |
Gte Products Corporation |
Lamp assembly utilizing shield and ceramic fiber mesh for containment
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1990-03-15 |
1990-05-17 |
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Hochdruck-Entladungslampe
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1991-12-18 |
1993-12-21 |
North American Philips Corporation |
Electric lamp having screens for reducing photo electron emission
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1992-10-15 |
1994-08-16 |
North American Philips Corporation |
Electric lamp having improved support straps for planar seals
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1993-10-06 |
1995-04-13 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Metallhalogenidentladungslampe
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EP1642321A2
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2003-06-30 |
2006-04-05 |
Koninklijke Philips Electronics N.V. |
Strapless mount for a light source and electric lamp having the same
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2007-05-24 |
2008-09-09 |
Auralight Int Ab |
Högtrycksnatriumlampa
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