| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 266/124 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,333,767 | Mar. 16, 1920 | C. Napier | Method of making tempered blades | making sawblades | |
| 2,157,948 | May 09, 1939 | H.H. Beeny | Hardening of Metal Surfaces | flame hardening machines | |
| 2,312,839 | Mar. 02, 1943 | T.A. Waltz, A. Kullman | Flame Hardening Of Rack Bars | heat treating machines | |
| 2,361,995 | Nov. 07, 1944 | F.W. Curtis | Method of Making Metal Cutting Tools | milling machine cutters | |