...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Application No. | Application Title | Issue Date |
| 20110214576 | STEPLESS HEIGHT ADJUSTING MECHANISM OF THE LEVER ON GRILLING PAN A stepless height adjusting mechanism of a grilling pan lever, has a lever, a lifting pin, a cam and a knob. The cam is a disk-shaped element with a gradually increasing diameter and rotates around a fixed shaft disposed on the rear portion of the side of the lower hous... | 09/08/2011 |
| 20100282093 | LIFTING MECHANISM OF GRILL The lifting mechanism of a grill has an articulated lifting shaft attached to the edge of an upper shell, so that it covers the shaft sleeve. The shaft sleeve is connected to the corresponding edge of a lower shell and an inserting portion which extends along radius is ... | 11/11/2010 |
| 20090000491 | DEVICE FOR COOKING FOODSTUFFS The present invention discloses a device for cooking foodstuffs, comprising an upper cooking plate unit, a lower cooking plate unit and a hinge unit; the hinge unit is connected between the lifting rod base and the lifting rod for controlling relative positions between ... | 01/01/2009 |