| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 74/81 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,372,045 | Mar. 22, 1921 | R.G. Sedgewick | Valve grinder | handheld power tools | |
| 1,503,206 | Jul. 29, 1924 | A.W. Ojerholm | Combination valve grinder and drill | valve and seat maintenance | |
| 2,937,732 | May 24, 1960 | S.G. Brady | Linear Indexing Mechanism | indexers and dividers | |