| Patents for Orrin W. Barker |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 2,263,404 | Nov. 18, 1941 | J.B. Armitage, O.W. Barker | Boring and Milling Machine |
| | 2,275,241 | Mar. 03, 1942 | O.W. Barker, J.B. Armitage | Machine Tool Transmission and Control Mechanism |
| | 2,293,880 | Aug. 25, 1942 | O.W. Barker, J.B. Armitage | Machine Tool Transmission and Control Mechanism |
| | 2,407,913 | Sep. 17, 1946 | O.W. Barker, J.B. Armitage | Machine Tool Transmission and Control Mechanism |
| | 2,434,750 | Jan. 20, 1948 | F.D. Boehmer, K.A. Riedel, O.W. Barker, J.B. Armitage, T. Trecker | Machine Tool |
| | 2,557,405 | Jun. 19, 1951 | O.W. Barker, J.B. Armitage | Adjustable Bearing |
| | 2,605,678 | Aug. 05, 1952 | O.W. Barker, J.B. Armitage | Milling and Boring Machine |
| | 2,621,566 | Dec. 16, 1952 | O.W. Barker, J.B. Armitage | Machine Tool Structure and Transmission Mechanism |
| | 2,749,811 | Jun. 12, 1956 | J.J. Lenert, O.W. Barker | Transfer Machines |
| | 2,818,002 | Dec. 31, 1957 | J.J. Lenert, O.W. Barker | Transfer Machines |
