Patents for Henry Bickford |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
89,277 | Apr. 27, 1869 | H. Bickford | Improvement in blind-slat-tenoning machine | tenoning machines |
115,210 | May 23, 1871 | H.H. Humphrey, H. Bickford | Improvement in scroll-saws | scrollsaws |
119,007 | Sep. 19, 1871 | H. Bickford | Improvement in mortising-machines | mortising machines |
136,207 | Feb. 25, 1873 | H. Bickford | Improvement in scroll-saws | scrollsaws |
153,304 | Jul. 21, 1874 | H. Bickford | Improvement in lathes | pattern lathes |
237,722 | Feb. 15, 1881 | H. Bickford | Feed device for drilling-machines | drill presses |