...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 |
| 5134931 | Cylinder press for applying foil to print stock A cylinder press converted to printing foil embossed images onto a printing stock. A supply roll of foil bearing ribbon is mounted forward on the reciprocating chase and the ribbon is extended over the chase through a pair of adjusting guide rollers to a ... | 08/04/1992 |
| 4747345 | Foil stamping bed and cylinder press A foil stamping device for printing material such as gold foil onto paper, cardboard or similar materials having a moving bed to hold the paper cardboard or the like. Mounting means to hold a quantity of foil, the mounting means being on and moving with t... | 05/31/1988 |
| 4744294 | Cylinder press conversion for hot die application of foil Apparatus attached to the reciprocating chase of a cylinder press for carrying one or more supply spools of a web of foil-carrying material, together with an adjustable computerized controller and web-pulling rollers associated with the cylinder press and... | 05/17/1988 |
| 4627343 | Cylinder press conversion for hot die application of foil Apparatus attached to the reciprocating chase of a cylinder press for carrying one or more supply spools of a web of foil-carrying material, together with an adjustable computerized controller and web-pulling rollers associated with the cylinder press and... | 12/09/1986 |
| 4136614 | Letterpress printing press A pressure applying element, a sheet to be printed, and an ink ribbon, an interchangeable form carrying printing indicia, and a pressure absorption plate are arranged in vertical sequence to be pressed together by the pressure applying element in the prin... | 01/30/1979 |