"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 4067343 | Grain conveyor means An improved grain elevator is provided for a combine to transfer clean grain from the cleaning mechanism to a temporary, pivotally mounted, grain holding tank. The grain transfer elevator comprises a generally transversely and horizontally extending first... | 01/10/1978 |
| 3959953 | Apparatus to detect the passage of ferrous material in crop harvesting machines A ferrous material detector operably associated with a crop harvesting machine including a signal generating means operably associated with the compressing means of a harvester. The signal generating means generates a signal during the normal operation of... | 06/01/1976 |