| All Patents in class 81/490 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 939,079 | Nov. 02, 1909 | W.A. Peck | Tool Holder | tool holders |
| 1,099,369 | Jun. 09, 1914 | G.L. Holt | Tool Handle | tool holders |
| 1,230,724 | Jun. 19, 1917 | P.N. Kluft | Tool Holder | tool holders |
| 1,468,715 | Sep. 25, 1923 | M. Guerrieri | Tool Holder | tool holders |
| 1,937,645 | Dec. 05, 1933 | G.O. Leopold, J. Leopold, T.J. Fegley | Push Drill | push drills |
| 5,450,775 | Sep. 19, 1995 | B. Kozak | Multi-Function Driving Tool | screwdriver mechanisms |
| 5,819,612 | Oct. 13, 1998 | W. Anderson | Multiple Bit Storing Hand Tool Having Minimized Bulk Volume and High Storage Capacity | screwdriver mechanisms |
| 5,868,048 | Feb. 09, 1999 | W. Anderson, P. Cassutti | Adjustment Hand Tool/Screwdriver | screwdriver mechanisms |
| 6,378,407 | Apr. 30, 2002 | E. Purkapile | Multiblade Screwdriver | screwdriver blades |
| 6,427,563 | Aug. 06, 2002 | D.D. Curry, R.N. Wabalickis, G.A. Zurbuchen | Insulating Composite Hollow Shaft Tool | |
