Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7372355 | Remote controlled wall switch actuator A device to actuate a switch. The switch has a switch toggle movable between a first position and a second position. The device includes a switch yoke movable between the first position and the second position adapted to engage the switch toggle and move therewith. ... | 05/13/2008 |
| 7316592 | Electrostatic discharge enhanced charge contact design The present invention is directed to an electrical contact that incorporates a movable metal connection component such as a contact pin. The metal connection component is mounted within an insulating body. An electrically conducting path, from a contact head of the ... | 01/08/2008 |
| 7313260 | Controlling thick-slice viewing of breast ultrasound data An adjunctive ultrasound mammography system and associated methods are described in which an ultrasound image being displayed near an x-ray mammogram image may be superimposed thereon or thereunder by a user for facilitating rapid comprehension of breast structures ... | 12/25/2007 |
| 7292129 | Protection device for switches A switch device includes a body with a switch member pivotably engaged with a top opening of the body and a first terminal and a second terminal respectively extend through a bottom of the body. A bi-metallic plate has a first end fixed to the first terminal and inc... | 11/06/2007 |
| 7103205 | Breast cancer screening with ultrasound image overlays An adjunctive ultrasound mammography system and associated methods are described in which an ultrasound image being displayed near an x-ray mammogram image may be superimposed thereon or thereunder by a user for facilitating rapid comprehension of breast structures ... | 09/05/2006 |
| 6940389 | Mechanism for ensuring bimetallic plate to be deformed without barrier A circuit breaker includes a bimetallic plate that has a first end fixed to one terminal and a second end which can be lowered to contact the other terminal by pushing the pushbutton on top of the case of the breaker. The second end of the bimetallic plate is movabl... | 09/06/2005 |
| 6483416 | Overload protection device of a press type switch The present invention relates to an overload protection device of a press type switch in which the switch main body has slide grooves within the bouncing range of the free end of the conductive strip. The shape of the slide grooves is formed by a pluralit... | 11/19/2002 |
| 4389629 | Electrical switch with a thermostatic working element as the actuating element, and a switch element in the form of a microswitch An electrical switch with a thermostatic working element as the actuating element and with a switch element designed as a microswitch. In order to achieve optimal utilization of space and small structural size, the contact support of the working contact o... | 06/21/1983 |
| 4206780 | Pressure operated water level control device and temperature responsive unit therefor or the like A pressure operated water level control device having a movable selector for selecting different water level settings thereof. A heat motor unit is carried by the device and is operatively associated with the selector for moving the selector to a certain ... | 06/10/1980 |
| 4054769 | Microwave oven interlock switch safety A protector switch is added in the power supply to open on failure of the door interlock switch to open when the oven door is opened. The monitor switch that closes as the door opens, after the door switch should open, will if the latter does not occur cr... | 10/18/1977 |
