| Patents for Clarence B. Foster | 
| Patents 1 - 
					15
					of 15 
       | 
| Number | Date | Patentee | Title | Type | 
| 1,036,190 | Aug. 20, 1912 | N.D. Chard | Lathe | metal lathes | 
| 1,067,137 | Jul. 08, 1913 | W. Schellenbach | Universal taper attachment | metal lathe accessories and attachments | 
| 1,067,138 | Jul. 08, 1913 | W. Schellenbach | Crank-turner | metal lathe accessories and attachments | 
| 1,067,142 | Jul. 08, 1913 | W. Schellenbach | Change-gear mechanism | engine lathes | 
| 1,067,143 | Jul. 08, 1913 | W. Schellenbach | Revolving steady-rest | metal lathe accessories and attachments | 
| 1,074,819 | Oct. 07, 1913 | W. Schellenbach | Gearing | metal lathes | 
| 1,082,866 | Dec. 30, 1913 | S.C. Hilles, B.V. Colburn | Paper drilling machine | drill presses | 
| 1,089,152 | Mar. 03, 1914 | A.C. Pletz | Belt-shifter | industrial machine pulleys and belt drive mechanisms | 
| 1,094,601 | Apr. 28, 1914 | W. Schellenbach | Diameter-stop for machine-tools | metal lathe accessories and attachments | 
| 1,111,326 | Sep. 22, 1914 | W.L. Schellenbach | Gearing | engine lathes | 
| 1,154,939 | Sep. 28, 1915 | W.L. Schellenbach, W. Lodge, N.D. Chard | Narrow tool-support | metal lathes | 
| 1,161,210 | Nov. 23, 1915 | J.M. Hargrave | Work-holding jaw | bar and pipe clamps | 
| 1,171,665 | Feb. 15, 1916 | W. Schellenbach | Projectile-turner | metal lathes | 
| 1,201,461 | Oct. 17, 1916 | J.M. Hargrave | Work-holding clamp | bar and pipe clamps | 
| 1,294,402 | Feb. 18, 1919 | F.B. Cockburn | Engine Lathe Apron Oiling System | engine lathes |