| Patents for B. A. Hjorth Co. |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| SE-1,636 | Aug. 17, 1888 | J.P. Johansson | Universalrortang | pipe tongs |
| GB-188,818,593 | Dec. 19, 1888 | J.P. Johansson | Pipe Wrench | pipe wrenches |
| SE-4,066 | May 11, 1892 | J.P. Johansson | Stallbar skrufnyckel | screw adjust wrenches |
| SE-38,643 | Mar. 21, 1911 | J.P. Johansson | Anordning vid skiftnycklar | screw adjust wrenches |
| SE-36,093 | Jun. 28, 1912 | J.P. Johansson | Rortang | pipe tongs |
| SE-41,591 | Apr. 29, 1914 | H. Brynge | Rortang | pipe wrenches |
| SE-40,417 | Dec. 21, 1914 | H. Brynge | Anordning vid skiftnycklar | screw adjust wrenches |
