| Patents for J. M. Caldwell |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 278,773 | Jun. 05, 1883 | J.J. Burk | Hoop coiling and nailing machine | hoop making machines |
| 282,525 | Aug. 07, 1883 | F.J. Illig, P.J. Illig | Double Seaming Machine | tinsmith |
| 288,748 | Nov. 20, 1883 | J. Watson | Bit-brace | |
| 292,817 | Feb. 05, 1884 | B. Holmes, E. Holmes | Windlass for Compressing Barrels | barrel making machines |
| 297,401 | Apr. 22, 1884 | E. Holmes, B. Holmes | Stave-bending machine | cooper |
| 512,704 | Jan. 16, 1894 | E. Holmes, B. Holmes | Device for Directing Hoops on Barrels | barrel making machines |
