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Spiro Investment A.G.
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Boesingen, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Fluid flow control valves
Patent number
4,637,428
Issue date
Jan 20, 1987
Spiro Investment A.G.
Bengt Berglund
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Throttled fluid mixing device
Patent number
4,609,506
Issue date
Sep 2, 1986
Spiro Investment A.G.
Bengt Berglund
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fluid flow control valve
Patent number
4,305,418
Issue date
Dec 15, 1981
Spiro Investment S.A.
Tor A. Jensen
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Connecting lengths of tubing
Patent number
4,216,981
Issue date
Aug 12, 1980
Spiro Investment S.A.
Tor A. Jensen
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Process for forming curved hollow elements and an apparatus for car...
Patent number
4,205,546
Issue date
Jun 3, 1980
Spiro Investment S.A.
Paul-Emile H. Lagasse
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73227396 - SPIROFORM
Serial number
73227396
Registration number
1207830
Filing date
Jul 20, 1979
Spiro Investment S.A.
6 - Common metals and their alloys
Information
Trademark
73227395 - SPIROSAFE
Serial number
73227395
Registration number
1157654
Filing date
Jul 20, 1979
Spiro Investment S.A.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73227397 - SPIROTITE
Serial number
73227397
Registration number
1155293
Filing date
Jul 20, 1979
Spiro Investment S.A.
6 - Common metals and their alloys
Information
Trademark
73057260 - SPIROMATIC TUBEFORMER
Serial number
73057260
Registration number
1060624
Filing date
Jul 9, 1975
SPIRO INVESTMENT S.A.
7 - Machines and machine tools
Information
Trademark
72386247 - SPIROVENT
Serial number
72386247
Registration number
969020
Filing date
Mar 12, 1971
SPIRO INVESTMENT S.A.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes