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Six-year-old Robert W. Patch granted a patent for a "toy truck".
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| Number | Title | Issue Date |
| 7174757 | Lock cylinder and key set Disclosed is a lock cylinder and key set, which includes a lock cylinder, which has a keyway with two keyholes separated by a partition, and a key, which has two blades insertable into the two keyholes of the keyway for acting against respective pins in the lock cyl... | 02/13/2007 |
| 7166812 | Housing for a key fob A remote keyless entry device for use with a vehicle that includes a printed circuit board, at least one button configured to cooperate with the printed circuit board to selectively form an electrical circuit, a power source, and a housing. The printed circuit board... | 01/23/2007 |
| 6957556 | Disk tumbler lock and key, improved means and methods of manufacturing for An improved disk-tumbler lock and key for use with a gun-lock device includes a key specifically adapted to be ring-mounted so that it may be worn by and is thus available for the user at all times. The particular shape of the key includes those characteristics whic... | 10/25/2005 |
| 6925844 | Lock having a helical keyway and accompanying key and methods therefor The present application advantageously provides at least one keyway in a lock core that poses tremendous difficulty for a lock breaker by not allowing the lock breaker to see all of the pin tumblers in the keyway. The keyway according to a preferred embodiment of th... | 08/09/2005 |
| 6758074 | High-security round key and lock therefor A key has a blade formed with a part-cylindrical face and with a pair of relatively shallow, outwardly open, and generally parallel but spaced grooves formed in the face extending generally longitudinally in a nonstraight path and a relatively deep and outwardly ope... | 07/06/2004 |
| 6109073 | Self-aligning handcuff key A handcuff key having a shank on which is mounted a paddle offset from the end of the shank so that a portion of the shank protrudes beyond the end of the paddle. The key has a first asymmetrical gripping surface as well as a second cylindrical gripping s... | 08/29/2000 |
| 5934121 | Lock apparatus A lock apparatus includes a lock device and a coded key. The lock device has a lock shell and a cylindrical lock core unit received in the lock shell. The lock core unit has an axial key hole and is provided with a latch actuator. The key is extendible in... | 08/10/1999 |
| 5493884 | Key for locking cylinders, particularly for locking systems A key for a rotationally adjustable cylinder core (4) with a lock cylinder (3) containing a cryptochannel (11) freely leading into the peripheral area of the cylinder core (4) and, more particularly, to a key for a cylinder core of locking systems, which ... | 02/27/1996 |
| 5351514 | Locking mechanism A locking mechanism is provided which is characterized by one or more blocking elements each consisting of two complementary semi-cylindrical parts (2),(3) snugly located in a correspondingly shaped aperture (4) defined between two relatively movable part... | 10/04/1994 |
| 5289709 | Pin tumblers and corresponding keys for cylinder locks A tumbler pin tip and key surface are configured so that when engaged, the tumbler pin tip fully and precisely seats in the key bitting, and thus is rotationally positioned at a predetermined location. The contacting surfaces are generally sloped from one... | 03/01/1994 |
| 5247818 | Cylinder lock A cylinder lock having a barrel and a cylinder and being actuable by a key having a round shaft. The round shaft has provided along its one longitudinally extending planar surface a plurality of substantially rectangular recesses which correspond with pin... | 09/28/1993 |
| 5148690 | Two-section type pickproof lock assembly A pickproof lock assembly has two lock sections which can be opened by a single key. The first lock section includes a key plug and a first set of tumbler members which engage radial pits provided on the key so as to disengage the key plug from the lock s... | 09/22/1992 |
| 5131249 | Key for a cylinder lock, especially for locking systems A key for a cylinder lock has a relatively slender profile region and a bitting region of greater thickness and a generally cylindrical configuration with or without longitudinally-extending flats. The bitting recesses can be provided round this bitting r... | 07/21/1992 |
| 4424692 | Bramah or pin lock A lock with pins mobile in translation and/or in rotation about their longitudinal axes, wherein the pins are housed into cylindrical passages of a rotatable cylinder and are brought by a key in positions such that cut-outs of these pins are in alignment ... | 01/10/1984 |
| 4375159 | Changeable combination tumbler wheel type key lock A tubular wheel type key lock operable by a key, comprising a lock case, a plurality of peripherally gated tumbler wheels supported for rotation about a common axis. Each tumbler wheel include center hub portions and rim portions encircling the hub portio... | 03/01/1983 |
| 4336700 | Cylinder lock A cylinder lock comprising a non-rotatable cylinder housing and therein a key operated lock mechanism including a turnable cylinder and a plurality of movable locking discs. When the locking discs are in their zero position, that is, their normal position... | 06/29/1982 |
| 4193277 | Lock body with locking pins opened or closed by the cylindrical key bar A cylindrical lock with tumbler and driver pins opened or closed by a cylindrical key in which a cylindrical plug is provided with one row or several rows of "$c;"-shaped tumbler pins and the lock body is provided with corresponding driver pins of dive... | 03/18/1980 |
| 4127996 | Key profile system A key profile system of a disc cylinder lock is disclosed in which system the appropriateness of a certain key profile for use in a lock is determined by the form of a key receiving opening in the actual locking elements of the lock, that is, the locking ... | 12/05/1978 |
| 4109497 | Key construction A key construction for use with a rotary disc-tumbler lock wherein the key has a shank portion and a bow or other rotating means on one end thereof. The key shank is formed with a vee-groove longitudinally thereof which vee-groove permits insertion and re... | 08/29/1978 |
| 4068506 | Hidden lock A hidden or concealed lock for sliding windows, door panels and the like, employing a concealed hollow tubular locking sleeve that is positioned entirely inside of an aligned opening passing through the interior frame of one of said windows and into the f... | 01/17/1978 |
