| All Patents in class 81/90.5 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 122,638 | Jan. 09, 1872 | C. Neames | Combined Gas-Pipe Wrench, Gas-Pipe Vise and Square Wrench |
 | 332,191 | Dec. 08, 1885 | C.L. Dunham | Pipe Wrench |
 | 379,123 | Mar. 06, 1888 | H. Parmelee | Pipe Wrench |
 | 547,653 | Oct. 08, 1895 | S.L. Wiegand, W.H. Burr | Pipe Wrench |
 | 566,678 | Aug. 25, 1896 | W.S. Gilmore | Pipe Wrench |
 | 590,853 | Sep. 28, 1897 | H. Parmelee | Improvements in Pipe-Grips |
 | 608,202 | Aug. 02, 1898 | A.M. Kleckner | Pipe Wrench |
 | 626,401 | Jun. 06, 1899 | S.L. Wiegand | Pipe Wrench |
 | 648,706 | May 01, 1900 | H. Parmelee | Pipe Wrench |
 | 871,436 | Nov. 19, 1907 | R. Parmelee | Pipe Wrench |
