| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Lennox F. Armstrong | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,584,347 | May 11, 1926 | L.F. Armstrong | Tool Holder | lathe tool holders and tool posts | |
| 1,732,549 | Oct. 22, 1929 | L.F. Armstrong | Wrench For Tool Holders | auxiliary wrenches | |