| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Donald Macpherson Blackburn | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| GB-658,590 | Oct. 10, 1951 | J.B. Lang, D.M. Blackburn | Tool-holder Attachment for Lathes and Like Machine Tools | lathe tool holders and tool posts | |
| 2,972,487 | Feb. 21, 1961 | D.M. Blackburn | Indexing Mechanism | indexers and dividers | |