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| Patents for Troyke Mfg. Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 2,679,787 | Jun. 01, 1954 | B.F. Froehlich | Turntable provided with indexing masking means | |
 | 3,000,469 | Sep. 19, 1961 | B.F. Froehlich | Rotary work holder | |
 | 3,100,636 | Aug. 13, 1963 | B.F. Froehlich | Table locking construction for a machine tool | |
| 3,170,340 | Feb. 23, 1965 | B.F. Froehlich | Rotary Table with Dividing Attachment | ||