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 |
| 7134732 | Composite vehicle wheel hub and method for producing same A composite vehicle wheel hub includes an inner wheel hub portion formed from a first material and an outer wheel hub portion formed from a second material and joined to the inner wheel hub portion. A method for producing the composite vehicle wheel hub of this inve... | 11/14/2006 |
| 7042304 | Circuit device for realizing a non-linear reactive elements scale network The invention relates to a circuit device for realizing a non-linear reactive elements scale network, wherein the non-linear elements of the network are pairs of inductive and capacitive components cascade connected between a pair of input terminals and a pair of ou... | 05/09/2006 |
| 6612657 | Outboard ribbed wheel hub The present invention relates to a wheel hub having a cylindrical main body and a radial flange, with radial ribs extending between the outboard side of the radial flange and the outboard end of the main body.... | 09/02/2003 |
| 5967242 | Protecting compactor axles, seals and wheel bearings from wire wrap intrusion On a compactor wheel having outer and inner cylindrical drums, the inner drum being mounted on the vehicle axle, there is provided an axially extending shroud. The shroud is equipped with a cover plate which together serves to define a cavity enclosing th... | 10/19/1999 |
| 4674759 | Trash container wheel structure Wheel structure for a trash container comprising an enhanced thickness hub portion defined by positioning a metal member within the locus of the wheel wall during molding so as to increase wall thickness by better heat transfer and increase resin buildup ... | 06/23/1987 |
| 4497521 | Ball-like wheel with sockets for axle The invention relates to a ground engaging member for use in hand or gravity powered vehicles such as hand-trucks, trolleys, push-chairs, bicycles, roller-skates, bobcats, grass-skis and amphibious craft and the like, made of a moulded plastics ball. Inco... | 02/05/1985 |
