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| 9121776 | Welding arc apparel with UV or thermochromic activated images | Oct 05, 12 | Sep 01, 15 | LINCOLN GLOBAL, INC. |
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| 8990963 | User-friendly welding helmet assembly | Aug 23, 06 | Mar 31, 15 | LINCOLN GLOBAL, INC. |
| 8829474 | Laser protection | Apr 17, 13 | Sep 09, 14 | TRUMPF LASER- UND SYSTEMTECHNIK GMBH |
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| 8809731 | Moving enclosures for laser equipment | Jul 23, 12 | Aug 19, 14 | Trumpf, Inc. |
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| 4293757 | Automatic welder's helmet having ventilation means | Sep 17, 79 | Oct 06, 81 | Not available |