| All Patents in class 173/171 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,362,657 | Dec. 21, 1920 | W.S. Whyte | Tool Holder | tool holders |
| 2,693,541 | Nov. 02, 1954 | L.C. Pratt | Portable electric motor for hand drills | handheld power drills |
| 5,269,733 | Dec. 14, 1993 | P.M. Anthony | Power Tool Plastic Gear Train | |
| 6,082,468 | Jul. 04, 2000 | J.R. Brehm, D.S. Pusateri | Interchangeable Grips for Power Hand Tools | |
| 6,155,354 | Dec. 05, 2000 | J.R. Brehm, D.S. Pusateri | Interchangeable Grips for Power Hand Tools | |
| 6,199,383 | Mar. 13, 2001 | D.S. Pusateri | Pneumatic Tool and Air Deflector Boot Therefor | |
| 6,796,389 | Sep. 28, 2004 | J.A. Pierman, D.S. Pusateri | Power Hand Tool and Removable Grip Therefor | |
