| All Patents in class 173/218 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 494,461 | Mar. 28, 1893 | F.H. Cathcart | Power-Driven Tool |
 | 507,752 | Oct. 31, 1893 | C.H. Peck | Portable drilling-machine |
 | 1,090,603 | Mar. 17, 1914 | E.I. Dodds | Portable pneumatic tool |
| | 1,737,419 | Nov. 26, 1929 | I.A. Hanssen | Pneumatic tool |
| | 2,991,666 | Jul. 11, 1961 | A.S. Charlat | Power-Transmitting Device for Machine Tools |
 | 3,097,571 | Jul. 16, 1963 | F.A. Kaman | Motor for pneumatic drill |
| | 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 |
