| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Blackhawk Mfg. Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,935,851 | May 10, 1960 | N.F. Atherton | Hydraulic Pressure Applying Tool | ||
| 2,955,578 | Oct. 11, 1960 | A.H. Luedicke, Jr., C.L. Flessate | Hydraulic Ram | ||
| 2,979,102 | Apr. 11, 1961 | J.E. Brussock, H.C. Ferguson | Straightening Tool | ||
| 2,987,046 | Jun. 06, 1961 | N.F. Atherton | Ram Assemblage | ||
| 3,132,485 | May 12, 1964 | J.R. Watson | Hydraulic Motor Control | ||