| Patents for P. C. Dieterich |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 115,678 | Jun. 06, 1871 | W.H. Barwick | Improvement in Pipe-Wrenches | pipe tongs |
| 116,077 | Jun. 20, 1871 | J.A. Morrison | Improvement in Wrenches and Pipe-Tongs | pipe tongs |
| 121,372 | Nov. 28, 1871 | H.A. Hyle | Improvement in Wrenches | pipe wrenches |
| 122,638 | Jan. 09, 1872 | C. Neames | Combined Gas-Pipe Wrench, Gas-Pipe Vise and Square Wrench | pipe wrenches |
| 128,050 | Jun. 18, 1872 | C.E. Littlefield | Improvement in Tools for Dressing Mortises | |
| 132,579 | Oct. 29, 1872 | G.A. Holden | Improvment in Tubing-Tongs | pipe tongs |
| 141,047 | Jul. 22, 1873 | W.H. Hanna | Improvement in Shoemaker's Pinchers | pliers |
| 145,830 | Dec. 23, 1873 | F.N. Owen, A. Doney, J.H. Baker | Tools | combination tools |
| 148,965 | Mar. 24, 1874 | A.E. Lindsley | Wrenches | quick adjust wrenches |
| 150,876 | May 12, 1874 | E. McCoy | Improvement in Ironing-Tables | ironing tables |
| 164,867 | Jun. 22, 1875 | J. Norton | Combined Wrench and Oiler | wrench combination tools |
| 165,319 | Jul. 06, 1875 | J.R. Finley | Improvement in Fish-Plate Nut Wrenches | ratchet wrenches |
| 168,406 | Oct. 05, 1875 | F.S. Ober | Ratchet-Wrench | ratchet wrenches |
| 190,959 | May 22, 1877 | H. Davis | Wrench | self-adjust wrenches |
| 206,067 | Jul. 16, 1878 | R. Allison | Feed Screw and Nut For Rock Drills, etc. | auxiliary wrenches |
