Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7047776 | Attachment device The present invention relates to an attachment device for keys which includes a key holding body by which the head and shaft of a key can be secured and a joining mechanism configured to join with the joining mechanism on like attachment devices. The present inventi... | 05/23/2006 |
| 6935147 | Key with indicator and retractable shield The key with a lock-unlock indicator is operable with a complementary lock set. The key has a body and an elongated key stem extending therefrom. A toggle bar is pivotally mounted or disposed on the key stem. The toggle bar operates in conjunction with a lock cam an... | 08/30/2005 |
| 6575005 | Locked/unlocked indicator for a key A locked/unlocked indicator for a key that shows whether a person has locked a door lock or any type of lock. The indicator has a base member having a window formed in the top surface that communicates with a channel formed in the bottom surface. A slide ... | 06/10/2003 |
| 6000258 | Braille and Arabic memory key and lock A key 10 and lock 20 are disclosed for use and can be identified by knocking-out area 17 or breaking of tab 14 for identification of what numbered, lettered or Braille key goes with what lock.... | 12/14/1999 |
| 5775252 | Tactile dial A disk shaped element has a plurality of tactile sensed position indicators arranged along its' circumference. Each position indicator consists of a straight bar terminated at one end with a rod having a diameter greater than the thickness of the correspo... | 07/07/1998 |
| 5689985 | Electronic touch key providing a tactile pressure signal for an electronic lock An electronic touch key for operating an electronic lock in an electronic lockset, includes a handle having front and rear surfaces; an electronic touch button mounted to the front surface of the handle; and a device, mounted to the rear surface of the ha... | 11/25/1997 |
| 5595080 | Lock condition indicator device A lock condition indicator device which is adapted for affixation to a key for a cylinder lock has a substantially circular movable means adapted to be retained in juxtaposition to a head portion of the key, but rotatable about a longitudinal axis of the ... | 01/21/1997 |
| 5435160 | Key locking indicator A key locking indicator device usable with a key of conventional design for tactile and visual indication of whether the device was last used to look or unlock the look operated by the key. The device is of simple construction, embodies a minimum number o... | 07/25/1995 |
| 5041814 | Lock with alarm device A door lock is provided with three alarm switches for activating an alarm system. The first switch has a first pair of contacts which are formed by a spring urging a tumbler pin and a metallic sleeve in which the spring is inserted. The second switch has ... | 08/20/1991 |
| 4494783 | Flush type rotary drive for latches A flush type rotary drive means which is caused to move between a position flush with a surrounding surface and a protruding position as the latch is moved between its locked position and its unlatched position, the drive means, by reason of its protrudin... | 01/22/1985 |
| 4440011 | Lock position indicator A casing for holding a key in one of two pivoted positions. The key pivots about an axis extending along one edge thereof when a lock is turned by the user of the key. An indicator may be attached to the key for extension through a small opening in the ca... | 04/03/1984 |
| 4265474 | Flush type rotary drive for latches A flush type rotary drive means which is caused to move between a position flush with a surrounding surface and a protruding position as the latch is moved between its locked position and its unlatched position, the drive means, by reason of its protrudin... | 05/05/1981 |
