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| Patents for Harry W. Howland | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,291,002 | Jan. 14, 1919 | H.W. Howland | Crosscut band-saw | |
 | 1,618,341 | Feb. 22, 1927 | H.W. Howland | Machine for sawing and boring on a plurality of angles | |
 | CA-271,961 | Jun. 28, 1927 | H.W. Howland | Sawing and boring machine | |
| 1,644,432 | Oct. 04, 1927 | H.W. Howland | Combination portable electric saw and drill | ||