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| Number | Title | Issue Date |
| 4412659 | Shredding mill A mill is described for progressively shredding material such as garbage, tires, aluminum cans, waste paper, etc. into loose particulate material. The mill includes a hopper that is movably mounted to a shredding wheel frame. The hopper includes an open b... | 11/01/1983 |
| 4154589 | Bag type air cleaning apparatus A bag type air cleaning apparatus is described for collecting particulate sediment from a source of pressurized air. The apparatus is adapted for connection to the pressurized air source and receives the pressurized air within a cylindrical plenum. A plur... | 05/15/1979 |
| 4070853 | Open top plastic bag sealer A machine is described for closing and sealing the upward ends of filled plastic bags. It includes a locating mechanism that positions bags successively at a closing and sealing station. The normally flexible top of each partially filled bag is formed int... | 01/31/1978 |
| 4055203 | Loose fill cellulose insulation material packing machine A machine for packing compressible low density loose fill cellulose insulation material into flexible bags. A machine includes a hopper for receiving bulk quantities of loose fill insulation material. A metered feed mechanism is sequentially operable to d... | 10/25/1977 |
