| Patents for Frank Challoner |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 318,956 | Jun. 02, 1885 | F. Challoner | Shingle-sawing machine |
 | 415,857 | Nov. 26, 1889 | F. Challoner | Spalt-dropping mechanism for shingle-sawing machines |
 | 442,171 | Dec. 09, 1890 | F. Challoner | Spalt Dropping Mechanisn for Shingle Sawing Machines |
| | 559,362 | May 05, 1896 | F. Challoner | Spalt Dropper for Rotary Shingle Sawing Machines |
| | 581,266 | Apr. 27, 1897 | F. Challoner | Shingle Sawing Machine |
| | 582,601 | May 11, 1897 | F. Challoner | Shingle Sawing Machine |
 | 593,983 | Nov. 23, 1897 | F. Challoner | Shingle Sawing Machine |
| | 603,498 | May 03, 1898 | F. Challoner | Cut-Off Machine |
 | 2,934,818 | May 03, 1960 | F. Challoner, A.M. Howarth | Automatic slat feeding and assembling mechanisms |
