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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7650731 | Belt tensioner for coupon insertion apparatus A coupon insertion apparatus configured for sequentially inserting coupons into receiving containers, including a machine frame, at least one pair of opposed rollers mounted to the frame and adjustable between a closed position and an open position. A drive system i... | 01/26/2010 |
| 7603830 | Apparatus for automatic belt pressure adjustment for coupon separation A coupon insertion apparatus configured for sequentially inserting coupons into receiving containers, including a machine frame, at least one pair of opposed rollers mounted to the frame and adjustable between a closed position and an open position. A moving carriag... | 10/20/2009 |
