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 |
| 7458163 | Bagel scooper A bagel scoop removes excess dough from a piece of baked goods, such as a bagel. The bagel scoop includes a handle, and a concave, preferably shallow elliptical spoon-shaped closed combined blade and scoop structure, having a downward curvature, to enable scooping a... | 12/02/2008 |
| 7437825 | Mechanism for can opener A mechanism is provided for use in a can opener comprising a body; rotationally mounting to the body about a first axis a drive wheel for engaging the rim of a can; rotationally mounting to the body about a second axis and drivably rotatable by the drive wheel, a cu... | 10/21/2008 |
| 7213340 | Battery-operated can opener A battery-operated can opener includes a DC motor, a battery, a switching lever that controls electric connection between the battery and the DC motor, an actuating arm coupled to the switching lever for moving a cutter out of the can opening for cutting the lid of ... | 05/08/2007 |
| 6675487 | Can opener A manually operable can opener includes elongate first and second operating elements pivotally connected to each other intermediate their ends and having first and second handle members respectively. The can opener has a traction wheel rotatably mounted o... | 01/13/2004 |
| 6158130 | Industrial can opener A heavy duty industrial can opener operated by hand or by motor which accommodates various sizes of cans and cuts the outer seam wall of a can rather than the top lip of the can. The can opener includes a cutting wheel with a cutting edge and a traction w... | 12/12/2000 |
| 4733472 | Can opener blade This invention provides a can opener blade wherein the two primary sides forming the bevelled cutting edge have a certain angular relationship with the centerline of said blade; the blade of this invention has certain advantages over known can opener blad... | 03/29/1988 |
| 3946485 | Power operated can opener with power-pierce, automatic shutoff, and removable operating lever and cutter mounting plate assembly An electrically powered can opener with power-pierce and automatic shutoff has a permanently assembled (together) combination cutter mounting plate and operating lever that is selectively removable from its operating position upon the can opener frame. Th... | 03/30/1976 |
