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| All Patents in class 414/744.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,135,397 | Jun. 02, 1964 | A.R. Kull | Die Lifter | forging apparatus and accessories | |
| 6,227,793 | May 08, 2001 | C.A. Knighten | Door transport system | specialty woodworking machines | |