| All Patents in class 408/113 | 
| Patents 1 - 
					10
					of 10 
       | 
| Number | Date | Patentee | Title | Type | 
| 396,600 | Jan. 22, 1889 | A.M. Rowland | Glass-Cutter | glass cutters | 
| 521,579 | Jun. 19, 1894 | J.F. Alley | Gage brace |  | 
| 922,808 | May 25, 1909 | W.J. Parsons | Bit-gage |  | 
| 995,178 | Jun. 13, 1911 | W. Potter | Boring-Machine alarm | drill depth stops | 
| 1,778,579 | Oct. 14, 1930 | E.G. Bartel | Brake band drilling attachment | brake maintenance | 
| 2,280,596 | Apr. 21, 1942 | G.K. McKee | Machine tool | drill presses | 
| 2,613,704 | Oct. 14, 1952 | E.P. Sacrey | Depth adjustment for motor-driven cutting tools | handheld routers | 
| 2,915,925 | Dec. 08, 1959 | W. Nipken | Depth control attachment for a drill or the like | drilling and boring | 
| 3,460,408 | Aug. 12, 1969 | J.G. Raymond | Depth gauge | handheld power drills | 
| 3,527,273 | Sep. 08, 1970 | R.C. Falter | Adjustable means of limiting driving depth with attachable nosepiece | handheld power drivers |