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| All Patents in class 266/105 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,221,576 | Apr. 03, 1917 | C. Napier | Manufacture of tempered saw-blades | making sawblades | |
| 1,265,944 | May 14, 1918 | C. Napier | Process of and Apparatus for Heat Treatment of Metal Objects | heat treating machines | |
| 1,333,767 | Mar. 16, 1920 | C. Napier | Method of making tempered blades | making sawblades | |
| 1,350,618 | Aug. 24, 1920 | C. Napier | Apparatus for making tempered blades | making sawblades | |