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| Patents Granted on 1976-06-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,964,616 | Jun. 22, 1976 | T.W. Piotrowski | Machine Tool Interchange Arm | tool changers and storage mechanisms | |
| 3,964,811 | Jun. 22, 1976 | R.G. McClelland | Tension rod cabinet systems | ||