Did You Know...
...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 |
| 7137601 | Check rail device A check rail arrangement for a switch or an intersection, the arrangement including a grooved rail (16) provided with a grooved rail head (14), a groove (18) and a lip (52), and a check rail (12) which is supported at least on the ... | 11/21/2006 |
| 6994299 | Railroad crossing apparatus having improved rail connection and improved flangeway floor geometry and method incorporating the same An improved railroad frog, and method incorporating the same, for facilitating the intersection of rail lines in a more efficient, effective, and durable manner. In one aspect the invention is a railroad frog apparatus comprising: a body having flangeways that inter... | 02/07/2006 |
| 5169064 | Switch point guard rail An adjustable switch point guard rail assembly for use adjacent the switch point of a railway switch. The adjustable guard rail assembly is comprised of a plurality of support chairs and an adjustable guard rail. The sdjustable guard rail includes a surfa... | 12/08/1992 |
| 5115970 | Switch point guard rail An adjustable switch point guard rail assembly for use adjacent the switch point of a railway switch. The adjustable guard rail assembly is comprised of a plurality of support chairs and an adjustable guard rail. The adjustable guard rail includes a surfa... | 05/26/1992 |
| 4386751 | Switch point guard A switch point guard for railroad track having a guard or deflector rail positioned to prevent flanges of railroad wheels from striking the switch point. The guard rail is carried on support members for rigid retention in a fixed, predetermined position r... | 06/07/1983 |
