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| All Patents in class 428/156 | |||||
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| Number | Date | Patentee | Title | Type | |
| 198,381 | Dec. 18, 1877 | C.H. Hagemann | Improvement in processes of embossing mounted veneers | wood compressing machines | |
| 2,023,421 | Dec. 10, 1935 | D. Heyer | Flexible power transmission device | industrial machine pulleys and belt drive mechanisms | |
| 7,429,151 | Sep. 30, 2008 | I. Hessman | Coated Inserts for Wet Milling | carbide inserts and holders | |
| 7,431,542 | Oct. 07, 2008 | I. Hessman | Coated Cutting Insert | carbide inserts and holders | |