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CLEM ENVIRONMENTAL CORPORATION
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CHICAGO, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Geosynthetic clay liner with modified edges for improved sealing
Patent number
5,529,438
Issue date
Jun 25, 1996
Clem Environmental Corp.
Richard W. Carriker
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Leak prevention structure, method and apparatus
Patent number
4,927,297
Issue date
May 22, 1990
Clem Environmental Corporation
William Simpson
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Waterproofing soil
Patent number
4,501,788
Issue date
Feb 26, 1985
Clem Environmental Corp.
Arthur J. Clem
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74348989 - GEOCUSHION
Serial number
74348989
Registration number
1889281
Filing date
Jan 15, 1993
CLEM ENVIRONMENTAL CORPORATION
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
74348449 - SHEAR-PRO
Serial number
74348449
Registration number
1799392
Filing date
Jan 14, 1993
CLEM ENVIRONMENTAL CORPORATION
20 - Furniture, mirrors, picture frames
Information
Trademark
74164760 - SHEAR-PRO
Serial number
74164760
Filing date
May 8, 1991
CLEM ENVIRONMENTAL CORPORATION
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73688695 - CLAYMAX
Serial number
73688695
Registration number
1495101
Filing date
Oct 8, 1987
CLEM ENVIRONMENTAL CORPORATION
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73509577 - ENVIROMAT
Serial number
73509577
Registration number
1534279
Filing date
Nov 19, 1984
International Minerals & Chemical Corporation
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes