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| Patents for A01D 42 - Mowers convertible to apparatus for purposes other than mowing; Mowers capable of performing operations other than mowing (407) |
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| 11/15/1977 | US4057952 Rotary mower and shredder device | | 02/22/1977 | USRE29139 Lawn maintenance equipment | | 06/22/1976 | US3964243 Rotary mower blade with detachable tines | | 06/15/1976 | US3963184 Device for converting a conventional lawn mower to a leaf shredder | | 03/23/1976 | US3945176 Combination power driven lawn-mower aerator | | 03/02/1976 | US3940827 Leaf vacuuming attachment for rotary lawn mowers | | 01/13/1976 | US3931859 Convertible agricultural implements and machines |
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