"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7320236 | Device that makes it possible to lock and unlock, by means of a key, a stopper or cover on a frame A device for locking and unlocking, with a key, a cover on a frame. The rotor of the lock for this device has a cylindrical barrel mounted for rotation in the cover and being interdependent in rotation with the slide bolt and a cylindrical axle with head mounted loo... | 01/22/2008 |
| 7210319 | Multifunctional vehicle lock A multifunctional vehicle lock including a cylinder lock comprising a rotatable tumbler, a coupling member rotationally linked to the tumbler, wherein rotation of the tumbler rotates the coupling member, a first vehicle locking element connected to the coupling memb... | 05/01/2007 |
| 6953209 | Compression latch A compression latch with a folding handle for selectively holding a door closed. The latch includes a housing with a cup portion for receiving the handle in the folded down position such that the projection of the latch handle above the exterior surface of the door ... | 10/11/2005 |
| 5157950 | Window lock A window lock for securing a first window member against unauthorized movement relative to a second window member, the window lock including a bolt mounted for sliding movement in a drum journaled for rotation on a hub throughout an arc of rotation, the h... | 10/27/1992 |
| 5076080 | Lockable hatch latch A hatch latch with a peripheral top surface adapted to fit through an opening in a hatch has a rotatable axial shaft with a latch member toward its lower end, the shaft being partially enclosed in an outer housing and having a central cavity at its upper ... | 12/31/1991 |