| Patents for John B. Dougherty |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 33,153 | Aug. 27, 1861 | P.H. Lawler, J.B. Dougherty | Improvement in machines for forming barrel-heads | cooper |
| 37,885 | Mar. 10, 1863 | J.B. Dougherty | Improved machine for sawing barrel-heads, shingles, etc. | cooper |
| 39,720 | Sep. 01, 1863 | J.B. Dougherty | Improvement in barrel-hoops | |
| 40,250 | Oct. 13, 1863 | J.B. Dougherty | Improvement in barrel-hoops | |
| 40,613 | Nov. 17, 1863 | J.B. Dougherty | Improved hoop-machine | hoop making machines |
| 41,688 | Feb. 23, 1864 | J.B. Dougherty | Improvement in machines for making splints for barrel-hoops | hoop making machines |
| 58,618 | Oct. 09, 1866 | J.B. Dougherty | Improvement in shingle machines | shingle machines |
| 68,856 | Sep. 17, 1867 | J.B. Dougherty | Improvement in barrel-head machines | cooper |
| RE3,443 | May 18, 1869 | J.B. Dougherty | Machine for making barrel-hoop splints | cooper |
| 92,591 | Jul. 13, 1869 | J.B. Dougherty | Improvement in shingle-machine | shingle machines |
| 106,260 | Aug. 09, 1870 | J.B. Dougherty | Improvement in machine for manufacturing hoops | hoop making machines |
| 203,429 | May 07, 1878 | J.B. Dougherty | Improvement in machines for cutting hoops from the log | hoop making machines |
| 203,934 | May 21, 1878 | J.B. Dougherty, P. Pitkin | Stone Polishing Machine | stone dressing machines |
| 207,721 | Sep. 03, 1878 | J.B. Dougherty | Improvement in hoops | hoop making machines |
| 209,962 | Nov. 19, 1878 | J.B. Dougherty | Improvement in hoop-cutting machines | hoop making machines |
