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HELSINKI, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Screening apparatus with light reject removal
Patent number
4,634,521
Issue date
Jan 6, 1987
Ahlstrom Corp
Markku A. Simola
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of operating a paper machine, particularly a press section t...
Patent number
4,225,384
Issue date
Sep 30, 1980
Oy Wilh. Schauman Ab
Paavo J. Valkama
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73593434 - NAUTOR'S SWAN
Serial number
73593434
Registration number
1622360
Filing date
Apr 15, 1986
OY WILH. SCHAUMAN AB
12 - Vehicles
Information
Trademark
73593239 - S
Serial number
73593239
Registration number
1448031
Filing date
Apr 14, 1986
OY WILH. SCHAUMAN AB
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73487455
Serial number
73487455
Registration number
1389092
Filing date
Jun 28, 1984
OY WILH. SCHAUMAN AB
19 - Building materials (non-metallic)
Information
Trademark
72409275 - SWAN
Serial number
72409275
Registration number
1041084
Filing date
Dec 3, 1971
OY WILH. SCHAUMAN AB
12 - Vehicles