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Burkhard Littwin
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Hohenschaeftlarn, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Flat picture reproduction device
Patent number
4,672,272
Issue date
Jun 9, 1987
Siemens Aktiengesellschaft
Burkhard Littwin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas-discharge display device with a post-acceleration section
Patent number
4,634,935
Issue date
Jan 6, 1987
Siemens Aktiengesellschaft
Bernhard Hillenbrand
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas discharge display device
Patent number
4,628,228
Issue date
Dec 9, 1986
Siemens Aktiengesellschaft
Walter Geffcken
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flat color picture reproduction or video display device
Patent number
4,527,100
Issue date
Jul 2, 1985
Siemens Aktiengesellschaft
Walter Geffcken
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Gas discharge display device with at least one spacing frame which...
Patent number
4,362,967
Issue date
Dec 7, 1982
Siemens Aktiengesellschaft
Burkhard Littwin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Control plate for a gas discharge display device
Patent number
4,340,838
Issue date
Jul 20, 1982
Siemens Aktiengesellschaft
Manfred Kobale
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas display device with a profiled cathode
Patent number
4,338,539
Issue date
Jul 6, 1982
Siemens Aktiengesellschaft
Burkhard Littwin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Control plate for a flat plasma screen
Patent number
4,329,617
Issue date
May 11, 1982
Siemens Aktiengesellschaft
Burkhard Littwin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas discharge display device with a lamellar lattice in the gas dis...
Patent number
4,328,444
Issue date
May 4, 1982
Siemens Aktiengesellschaft
Burkhard Littwin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cylindrical domain memory
Patent number
4,133,045
Issue date
Jan 2, 1979
Siemens Aktiengesellschaft
Burkhard Littwin
G11 - INFORMATION STORAGE