Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| RE38511 | Wheel having a hub and a rim rotatable on the hub A wheel set with independent and combined rotation of the running surfaces of the wheels, of use as a driving axle of a transport device, e.g. an underground railway car. It comprises an axle 1 and wheels having hubs 2 rigidly connected to the axle ... | 05/11/2004 |
| 5988720 | Wheel having a hub and a rim with an interference fit therebetween A wheel set with independent and combined rotation of the running surfaces of the wheels, of use as a driving axle of a transport device, e.g. an underground railway car. It comprises an axle 1 and wheels having hubs 2 rigidly connected to the axle 1. The... | 11/23/1999 |
| 4212491 | Resilient flanged wheel A resilient wheel is provided comprising a hub and web having a rim mated to and resiliently bonded to the web with an elastomeric adhesive. Depending on the application the outer circumference of the rim may have a flange machined into it so that it serv... | 07/15/1980 |
