"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7100405 | Latching devices for gates and doors A latching device (1) particularly for installation such as swimming pool gates may have an automatic magnetic latch with a child resistant device to control access. The child resistant device may include an operating handle (10) at an elevated locatio... | 09/05/2006 |
| 6953211 | Anti-panic opening system for doors Anti-panic opening system for doors in which a lateral spring latch bolt (3) is actuated by an actuator assembly (10) including a first and a second movable actuating member (19, 20) designed to operate respectively in a first position in which ... | 10/11/2005 |