| All Patents in class 173/218 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 494,461 | Mar. 28, 1893 | F.H. Cathcart | Power-Driven Tool | |
| 507,752 | Oct. 31, 1893 | C.H. Peck | Portable drilling-machine | handheld power drills |
| 1,090,603 | Mar. 17, 1914 | E.I. Dodds | Portable pneumatic tool | pneumatic tools |
| 1,737,419 | Nov. 26, 1929 | I.A. Hanssen | Pneumatic tool | |
| 3,097,571 | Jul. 16, 1963 | F.A. Kaman | Motor for pneumatic drill | handheld power drills |
| 6,062,323 | May 16, 2000 | J.M. Beer, J.R. Brehm, D.S. Pusateri | Pneumatic Tool with Increased Power Capability | |
| 6,155,354 | Dec. 05, 2000 | J.R. Brehm, D.S. Pusateri | Interchangeable Grips for Power Hand Tools | |
