| All Patents in class 409/328 | 
| Patents 1 - 
					10
					of 10 
       | 
| Number | Date | Patentee | Title | Type | 
| 112,737 | Mar. 14, 1871 | S.W. Putnam, Jr. | Improvement in Machines for Slotting and Cutting Metal | metal slotting machines | 
| 786,942 | Apr. 11, 1905 | H.J. Averbeck | Automatic feed-regulator | metal shapers | 
| 872,635 | Dec. 03, 1907 | H.J. Averbeck | Feed-regulator | metal shapers | 
| 910,216 | Jan. 19, 1909 | H.E. Morton | Attachment for Draw Cut Shapers | metal shaper accessories | 
| 930,088 | Aug. 03, 1909 | A.E. Robinson | Shaper | metal shapers | 
| 986,123 | Mar. 07, 1911 | G.K. Atkinson | Feed Mechanism for Shapers | metal shapers | 
| 1,288,036 | Dec. 17, 1918 | G.H. Knight | Shaper | metal shapers | 
| 1,657,434 | Jan. 24, 1928 | R.T. Hazelton | Circular Feeding Attachment | metal shaper accessories | 
| 1,846,297 | Feb. 23, 1932 | W.F. Zimmermann | Power Transmission for Shaping Machines | metal shapers | 
| 1,965,015 | Jul. 03, 1934 | W.A. Walker | Dual Control for Shapers | machine tool controls |