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Geothermal heat transfer
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Patent number 4,566,532
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Issue date Jan 28, 1986
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Megatech Corporation
-
Vahan V. Basmajian
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F24 - HEATING RANGES VENTILATING
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Wavy tube heat pumping
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Patent number 4,556,101
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Issue date Dec 3, 1985
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Megatech Corporation
-
Charles W. Haldeman
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F24 - HEATING RANGES VENTILATING
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Nuclear power demonstrating
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Patent number 4,216,593
-
Issue date Aug 12, 1980
-
Megatech Corporation
-
Vahan V. Basmajian
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
-
-
Wind power demonstration apparatus
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Patent number 4,087,927
-
Issue date May 9, 1978
-
Megatech Corporation
-
Vahan V. Basmajian
-
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Turbine demonstration
-
Patent number 4,073,069
-
Issue date Feb 14, 1978
-
Megatech Corporation
-
Vahan V. Basmajian
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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85513926 - MEGATECH INC.
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Serial number 85513926
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Filing date Jan 11, 2012
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MegaTech Inc
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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85511444 - MEGATECH
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Serial number 85511444
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Registration number 4216889
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Filing date Jan 9, 2012
-
Megatech Inc.
-
7 - Machines and machine tools
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85406697
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Serial number 85406697
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Registration number 4177081
-
Filing date Aug 25, 2011
-
MegaTech Inc
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
74423503 - MEGAVISION
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Serial number 74423503
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Registration number 1842794
-
Filing date Aug 12, 1993
-
Megatech Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
74248359 - MEGATECH
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Serial number 74248359
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Registration number 1740895
-
Filing date Feb 21, 1992
-
Megatech Corporation
-
7 - Machines and machine tools
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73250065 - GEOPUMP
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Serial number 73250065
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Registration number 1163611
-
Filing date Feb 13, 1980
-
Megatech Corporation
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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72383735 - MEGATECH
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Serial number 72383735
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Registration number 935682
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Filing date Feb 12, 1971
-
MEGATECH CORPORATION
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments