Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for Martin Backstrom | |||||
Number | Date | Patentee | Title | Type | |
651,816 | Jun. 19, 1900 | M. Backstrom | Friction driving-clutch | industrial machine clutches | |
669,407 | Mar. 05, 1901 | M. Backstrom | Feed mechanism for drilling, boring, or like machines | drill presses | |
935,452 | Sep. 28, 1909 | M. Backstrom | Ball-bearing | drill presses |