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Coraopolis, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for unloading burden from a tow comprised of b...
Patent number
4,477,220
Issue date
Oct 16, 1984
Eavenson, Auchmuty & Greenwald
Edward H. Greenwald
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Method of surface mining
Patent number
4,323,281
Issue date
Apr 6, 1982
Eavenson, Auchmuty & Greenwald
Edward H. Greenwald
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73320639 - CEMPLAN
Serial number
73320639
Registration number
1230545
Filing date
Jul 27, 1981
Eavenson, Auchmuty & Greenwald
42 - Scientific and technological services and research and design relating thereto