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Patents for H. C. Hastings | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 130,680 | Aug. 20, 1872 | D.R. Williams, Sr. | Improvement in scroll-sawing machines | |
![]() | 130,681 | Aug. 20, 1872 | D.R. Williams, Sr. | Sawing, turning, and boring machine |