| Patents for Arthur Joseph Allen | 
| Patents 1 - 
					4
					of 4 
       | 
| Number | Date | Patentee | Title | Type | 
| GB-720,494 | Dec. 22, 1954 | A.J. Allen, W. Wright | Multi-tool-head machine tools with rectilinearly movable work-holding platens | metalworking machine mechanisms | 
| GB-771,790 | Apr. 03, 1957 | A.J. Allen | Machine tools having platen transfer means | metalworking machine mechanisms | 
| CA-795,513 | Oct. 01, 1968 | A.J. Allen | Setting of cutting tools | metalworking machine mechanisms | 
| 3,504,442 | Apr. 07, 1970 | A.J. Allen | Setting of cutting tools | metalworking machine mechanisms |