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All Patents of Type: hob grinding machines | |||||
Number | Date | Patentee | Title | Type | |
986,688 | Mar. 14, 1911 | P. Catucci | Hob-grinding machine | hob grinding machines | |
1,662,078 | Mar. 13, 1928 | O. Severson | Method of and Machine for Grinding Fine-Tooth Hobs | hob grinding machines | |
1,662,079 | Mar. 13, 1928 | O. Severson | Machine for Grinding Hob and Disk Cutters | hob grinding machines | |
1,674,350 | Jun. 19, 1928 | R.R. Weddell | Universal Grinding Fixture | hob grinding machines |