| Patents Granted on 1929-04-16 | 
			    	Patents 1 - 
					11
					of 11
        | 
| Number | Date | Patentee | Title | Type | 
| 1,708,961 | Apr. 16, 1929 | C.C. Abbot | Electric Heater |  | 
| 1,709,233 | Apr. 16, 1929 | O.C. Schroeder | Mechanical movement | metal lathe accessories and attachments | 
| 1,709,339 | Apr. 16, 1929 | F.B. Cockburn | Clutch Mechanism for Lathe Apron Transmission | metal lathe mechanisms | 
| 1,709,348 | Apr. 16, 1929 | L.R. Heim | Method and Apparatus for Producing Ground Articles | grinding machines | 
| 1,709,428 | Apr. 16, 1929 | J.H. Carpenter | Valve grinder | handheld power tools | 
| 1,709,446 | Apr. 16, 1929 | C.J. Travers | Base |  | 
| 1,709,552 | Apr. 16, 1929 | W.L. Beall | Cane Mill | sugar cane apparatus | 
| 1,709,589 | Apr. 16, 1929 | J.S. McKibbon | Wrench | pipe wrenches | 
| 1,709,671 | Apr. 16, 1929 | B.A. Kearns | Grinding Machinery | grinding machines | 
| 1,709,807 | Apr. 16, 1929 | T.S. Purnis | Liner for valve seats | valve and seat maintenance | 
| 1,709,818 | Apr. 16, 1929 | G.W. Binns | Grinding | grinding machines |