...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7063280 | Broadcast spreader with a directional control assembly A broadcast spreader includes a directional control assembly that defines a pathway for granular material from the hopper to a rotating fan, resulting in the distribution of the granular material in a predetermined distribution pattern, wherein rotation of a first (... | 06/20/2006 |
| 6729557 | Particulate spreader A portable particulate spreader comprising a container having a closed end, an open end and a storage chamber for holding particulate matter therein is disclosed. A first handle is attached to a side of the container proximate the closed end. A second handle is atta... | 05/04/2004 |
| 6092746 | Portable particulate spreader A portable particulate spreader comprising a container having a closed end, an open end and a storage chamber for holding particulate materials therein. A first strap handle is affixed to a side of the container adjacent the closed end. A second strap han... | 07/25/2000 |
| 5944264 | Portable seed spreader A portable seed spreader for distribution of bulky and irregular size seeds over a local area. The spreader includes a U-shaped frame that carries a housing having a first seed bin and a second seed bin. A first transverse shaft is mounted to legs of the ... | 08/31/1999 |
| 5285971 | Hand held spreader A hand held spreader having the bottom-face of the hopper portion at an angle with respect of the horizontal and having the handle for holding the device disposed directly below the hopper and so directly below the weight of the hopper; the handle is angl... | 02/15/1994 |
| 5271568 | Spreader device A hand held granular material spreading device including a housing with holding storage chamber for a flowable dry material where the chamber is located over a horizontally rotating impeller where there is an opening from the chamber to the impeller where... | 12/21/1993 |
| 5123598 | Portable spreading devices A hand held spreading device is disclosed for broadcast spreading material via a rotating impeller. The device has an actuating assemly including an actuating member and a dual spring arrangement interconnected with the actuating member. One of the spring... | 06/23/1992 |
| 4492341 | Portable hand-held material broadcasting device A portable hand-held material broadcasting device having a housing with a manually engageable handle and providing a storage chamber for flowable granular material superimposed over a normally horizontally rotating impeller for gravitational flow of mater... | 01/08/1985 |
| 3979071 | Apparatus for broadcasting granular material A portable hand held device for distributing granular material including a hopper for holding the material, a support base for the hopper, a distributor wheel having circumferentially spaced outwardly opening compartments suspended beneath the base under ... | 09/07/1976 |