...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7891321 | Quick-release animals muzzle An animal muzzle has a retention strap, an interlock member attached to a first end portion of the retention strap, and a muzzle body attached to a second end portion of the retention strap. The muzzle body includes two longitudinally extending edge portions and an ... | 02/22/2011 |
| 7637231 | Animal halter An animal halter 102 has a muzzle loop 104 adapted to fit over the upper and lower jaws of an animal such as a dog. The animal halter 102 also comprises a collar loop 108 for attachment around the neck of the dog. The halter 102 is... | 12/29/2009 |
| 7451724 | Drug delivery mask for animals An animal mask for removable fitment to the appropriate portion of the head of an animal such as the front of the head or over one nostril for the effective delivery of drugs or medicaments, for pulmonary or nasal absorption. The rings of the mask are nestable, form... | 11/18/2008 |
| 7444960 | Muzzle release system for animals The muzzle release apparatus allows an operator to remotely and wirelessly disengage a restraint system from the snout of an animal. The system is activated using a small hand-held transmitter. A receiver on the collar detects the signal from the transmitter and ele... | 11/04/2008 |
| 7111915 | Methods and apparatus for image transfer A method and apparatus for imprinting high quality images on non-planar surfaces, including the surfaces of various types of three-dimensional articles, such as baseball bats, formed from a number of different types of materials. In the preferred method of the inven... | 09/26/2006 |
| 7107939 | Animal training apparatus and method An animal training apparatus is comprised of a leash connector attached to a chest portion of a harness. The harness is arranged for preventing the leash connector from shifting to the back of the animal. The harness is preferably comprised of a chest strap for posi... | 09/19/2006 |
| 7082895 | Drug delivery mask for animals An animal mask for removable fitment to the appropriate portion of the head of an animal such as the front of the head or over one nostril for the effective delivery of drugs or medicaments, for pulmonary or nasal absorption. The rings of the mask are nestable, form... | 08/01/2006 |
| 6951215 | Drug delivery device for animals The invention features a drug delivery device which contains a cup-shaped body for enclosing a single external nare of a mammal but does not extend into the nostril of the mammal. The device is used in methods to treat pulmonary diseases. e.g., exercise intolerance,... | 10/04/2005 |
| 6918641 | Methods and apparatus for image transfer A method and apparatus for imprinting high quality images on non-planar surfaces, including the surfaces of various types of three-dimensional articles, such as baseball bats, formed from a number of different types of materials. In the preferred method of the inven... | 07/19/2005 |
| 6796274 | Dog control apparatus A combination dog collar and control halter has a muzzle assembly with a cinching muzzle loop that can be operated by tension on the leash to lower the dog's head. The muzzle assembly is removably attached to the dog collar by two side members on the muzzle assembly... | 09/28/2004 |
| 6595156 | Animal restraining halter A halter (120) for controlling an animal, such as a dog, is provided having an anchor portion (146) secured across the front of the dog's head terminating at a pair of anchor points on the opposite sides of the animals neck and nape portion (128) extendin... | 07/22/2003 |
| 6553945 | Animal jaw support device An animal jaw support device for use on guinea pigs, chinchillas, rabbits and other small mammals supports the jaw of an animal having weakened jaw muscles and permits the animal to strengthen its jaw muscles by opening its jaw against the elastic pressur... | 04/29/2003 |
| 6510818 | Drug delivery mask for animals An animal mask for removable fitment to the appropriate portion of the head of an animal such as the front of the head or over one nostril for the effective delivery of drugs or medicaments, for pulmonary or nasal absorption. The rings of the mask are nes... | 01/28/2003 |
| 6164246 | Remote release muzzle A remote release muzzle for facilitating the quick release of a muzzle from a remote location. The remote release muzzle includes a muzzle having a spring loaded latch including a release tang plate actuatable using either a button operatively coupled to ... | 12/26/2000 |
| 6119633 | Remotely releasable dog muzzle A dog muzzle or similar device attachable to a dog, and having attached thereto an accessory pod which can comprise or include a remotely actuable stun gun. The device further includes a quick release unit which allows the muzzle and stun gun to be releas... | 09/19/2000 |
| 5992352 | Dog halter A dog halter which includes interconnected neck, side, and cheek straps. The nose and neck straps are substantially independent such that, when desired, the force exerted by the dog handler is independently transmitted to the nose strap for effectively ma... | 11/30/1999 |
| 5785008 | Structure of dog muzzle A dog muzzle having a cylindrical muzzle body adapted to put over the mouth of a dog to keep it from biting, and a strap fastened to the muzzle body and adapted to secure it to the dog's head, the muzzle body having a top opening at a rear part thereof th... | 07/28/1998 |
| 5762030 | Anti barking and anti-biting muzzle for dogs An anti-barking and anti-biting muzzle for dogs includes a muzzle portion formed from a pair of generally trapezoidal flaps of elastic material sewn together along the converging edges thereof, with the flaps being further divided by a seam along the long... | 06/09/1998 |
| 5732660 | Control collar and leash combination for dogs A combination collar and leash with built-in muzzle loop for use as a humane approach to controlling, restraining and achieving obedient behavior of animals, especially dogs. An adjustable collar loop encircles the neck of the animal at a comfortable posi... | 03/31/1998 |
| 5267529 | Guiding muzzle for dogs A muzzle is arranged to fit over the snout of a dog and includes a pair of straps which are adjustably crossed around the neck area of the dog to secure the muzzle in place. A loop member extends downwardly from the muzzle and includes a ring to which a l... | 12/07/1993 |
| 5136984 | Animal muzzle An animal muzzle particularly for cats and dogs undergoing veterinarian treatment, includes a truncated cone mask having, at a snout end thereof, a first smaller opening for encircling the snout of an animal and, at another end, a large opening for encirc... | 08/11/1992 |
| 5099800 | Dog muzzle apparatus A muzzle apparatus is arranged for mounting to a muzzle portion of an associated canine, wherein the muzzle apparatus contains an ultra sound receiver, as well as a scent saturated gauze member mounted about the muzzle apparatus to enhance excitement and ... | 03/31/1992 |
| 5038717 | Device for training retriever dogs A device for retaining a training object in a dog's mouth and a method for its use for training a dog to carry an object such as a small game animal or bird. An adjustable halter fits about the dog's head and includes retainer straps extending on each sid... | 08/13/1991 |
| 4838206 | Combination collar and muzzle humane training aid A combination collar and muzzle is used as a humane method of restraining, controlling, and achieving obedient behavior of animals, dogs in particular. A collar member or loop encircles the neck immediately behind the ears, and a second muzzle loop encirc... | 06/13/1989 |
| 4741288 | Combination collar and muzzle humane training aid A combination collar and muzzle is used as a humane method of restraining, controlling, and achieving obedient behavior of animals, dogs in particular. A collar member or loop encircles the neck immediately behind the ears, and a second muzzle loop encirc... | 05/03/1988 |
| 4621591 | Combination collar and muzzle humane training aid A combination collar and muzzle is used as a humane method of restraining, controlling, and achieving obedient behavior of animals, dogs in particular. A collar member or loop encircles the neck immediately behind the ears, and a second loop encircles the... | 11/11/1986 |
| 4603659 | Adjustable muzzle An adjustable muzzle for training, restraining and treating animals, particularly canines; which muzzle can be easily, quickly, securely and adjustably applied to, and removed from, the head and nose of the animal.... | 08/05/1986 |
| 4594966 | Collapsible head covering for animals A device for controlling the movement of an animal is provided which includes a cone-shaped covering (10) for the animal's head. The covering (10) is made from a collapsible, light-impermeable, durable material. A closed end (11) is constructed to prevent... | 06/17/1986 |
| 4566255 | Training halter for canines A dog's training halter comprises a loop member for encircling the dog's muzzle, a collar member for encircling the dog's neck, and side members for connecting the loop member to the collar member on opposite sides of the dog's head. The loop member passe... | 01/28/1986 |
| 4483275 | Training halter for animals A training halter is provided for animals having muzzles, such as dogs, which in essence replaces the collar and leash and which diverts the tugging force to a self-cinching strap looped around the muzzle, so that the trainer, rather than merely pulling a... | 11/20/1984 |
| 4252086 | Animal muzzle for veterinary use A muzzle particularly adapted for use with cats retains the jaws of the animal while covering the eyes for calming the animal. The muzzle consists of an integral piece of a soft material formed into a truncated cone, with a small top opening and a larger ... | 02/24/1981 |
| 4160428 | Racing muzzle for dogs Air inlets are disposed in the anterior surface of a racing muzzle for a dog to receive and channel air directly into the open mouth of the dog while the dog is running and breathing only through its mouth; further inlets in proximity to the dog's nostril... | 07/10/1979 |