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Patents for Peter Boon | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 7,536 | Jul. 30, 1850 | C.A. Spring, P. Boon | Arrangement of pressure and feed rollers in planing-machines | |
![]() | RE209 | Jan. 13, 1852 | C.A. Spring, P. Boon | Planing machine, head at angle to feed |