| Patents for George Smith Woodruff |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 179,585 | Jul. 04, 1876 | E. McCoy | Improvement in steam-cylinder lubricators |
 | CA-6,665 | Oct. 19, 1876 | E. McCoy | Steam cylinder lubricator |
 | CA-8,143 | Nov. 27, 1877 | J.C. Fisks, G.S. Woodruff | Gas governor |
 | CA-10,168 | Jun. 26, 1879 | G.S. Woodruff | Improvements in gas governors |
| | 221,950 | Nov. 25, 1879 | G.S. Woodruff | Gas-governors |
 | 231,344 | Aug. 17, 1880 | J.H. Needles | Combined apparatus for producing illuminating gas and generating steam |
| | CA-11,808 | Sep. 23, 1880 | G.S. Woodruff | Improvements on gas regulators |
| | CA-15,866 | Nov. 27, 1882 | J.C. Fisks, G.S. Woodruff | Gas governors |
