| Patents for Joseph F. Haas |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,708,345 | Apr. 09, 1929 | O.P. Wodack, J.F. Haas | Portable power-driven tools | handheld circular saws |
| 1,736,970 | Nov. 26, 1929 | J.F. Haas | Power-driven tool | handheld circular saws |
| 1,854,510 | Apr. 19, 1932 | J.F. Haas | Portable power driven saw | handheld power tools |
| 1,883,728 | Oct. 18, 1932 | J.F. Haas | Portable power driven threading machine | handheld power tools |
| 1,889,441 | Nov. 29, 1932 | J.F. Haas | Combined rotary and reciprocatory drill | handheld power drills |
| 2,102,264 | Dec. 14, 1937 | J.F. Haas | Tool retainer for portable power driven tools | handheld power tools |
| 2,175,499 | Oct. 10, 1939 | O.P. Wodack, J.F. Haas | Portable tool | handheld power tools |
