| Patents for Arthur P. Waterson |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 2,464,626 | Mar. 15, 1949 | A.P. Waterson | Pilot Operated Servo Valve | metalworking machine mechanisms |
| 2,474,134 | Jun. 21, 1949 | A.P. Waterson | Hydraulic Tool Control Unit | metalworking machine mechanisms |
| 2,516,495 | Jul. 25, 1950 | A.P. Waterson | Hydraulic tool control unit | metal lathe accessories and attachments |
| 2,559,138 | Jul. 03, 1951 | A.P. Waterson | Duplicating Attachment for Lathes | metal lathe accessories and attachments |
| 2,576,817 | Nov. 27, 1951 | A.P. Waterson | Hydraulic Tracer Control Unit | machine tool controls |
| 2,691,913 | Oct. 19, 1954 | A.P. Waterson | Duplicating Attachment for Lathes | metal lathe accessories and attachments |
| 2,849,206 | Aug. 26, 1958 | A.P. Waterson | Hydraulic tracer control valve | machine tool controls |
