| All Patents in class 173/131 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 90,786 | Jun. 01, 1869 | W.P. Smith, L.M. Rumsey | Improvement in pipe-driver | |
| 1,282,928 | Oct. 29, 1918 | R.S. Peirce | Drill | |
| 2,271,933 | Feb. 03, 1942 | G.D. Behlen | Power hammer | handheld power tools |
| 2,561,577 | Jul. 24, 1951 | R.G. Knudsen | Pneumatic Impact Pullers and the Like | |
| 3,054,464 | Sep. 18, 1962 | E.J. Ondeck | Electric Hammer | handheld power tools |
| 4,084,645 | Apr. 18, 1978 | S. Salamone | Apparatus for securing T-edging and similar edging bands | specialty woodworking machines |
