In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 6915859 | Biomechanically-designed plastic horse shoe A horseshoe includes one or more plastic or rubber and other components which can be nailed or glued to an equine hoof, where two different materials, one harder, one softer are used. ... | 07/12/2005 |
| 6688401 | Horseshoe A horseshoe made from rubber or an elastomeric material has a tread portion with a plurality of interconnected side-by-side hollow cylindrical buttons. The buttons are open at their upper ends and their lower ends are covered by a thin film of the rubber ... | 02/10/2004 |
| 5871054 | Hoof/shoe attachment device A hoof/shoe attachment device (10) attaching a shoe (14) for a hoofed animal to the animal's hoof without the use of nails. The shoe (14) and an adapter (12) are held together by a adaptor fastener (12C) such as rivets. The hoof/shoe attachment device (10... | 02/16/1999 |
| 5699861 | Modular shoeing system A kit which can be used to form a horseshoe, which can be assembled by a farrier in the field, and which can be applied to a horse using adhesives. Specifically, a kit is provided including a rigid cast polymeric sole or a horseshoe, and a rigid planar me... | 12/23/1997 |
| 5692569 | Horseshoe system A horseshoe support system supports a horseshoe on the bottom of a horse hoof by attachment of the horseshoe to the side of the hoof. The horseshoe has an upper surface engageable with the bottom of the hoof and an arrangement of a plurality of peripheral... | 12/02/1997 |
| 5638905 | Protective covering for a horse's hoof and method of attaching A protective covering for a horse's hoof which comprises a horseshoe having convex and concave edges and a skirt embedded in a polymeric resin bonded to the horseshoe and extending beyond the convex edge of the horseshoe. The skirt may be made from any su... | 06/17/1997 |
| 5203415 | Process for bonding to the sidewall of a horse's hoof A process for gluing a horseshoe having a rim extending upward around the sidewall of the hoof. In an earlier process, both the hoof and the part to be attached, if any, were preheated to about 275° F. and then bonded with a hard paste-type urethane adhe... | 04/20/1993 |
| 4982797 | Tape for hoof repair A method is provided for securing a horseshoe to a hoof by wrapping a curable resin coated sheet material around an applied horseshoe and at least a portion of the hoof after the cure has been initiated, such that the resin coated sheet material secures t... | 01/08/1991 |
| 4917192 | Method and apparatus for hoof repair and securing a shoe to a hoof A method is provided for securing a horseshoe to a hoof by wrapping a curable resin coated sheet material around an applied horseshoe and at least a portion of the hoof after the cure has been initiated, such that the cured resin coated sheet material sec... | 04/17/1990 |
| 4346762 | Plastics material horseshoes A two part plastics material horseshoe has a relatively flexible plastics strip part of generally L-shaped cross-section, shaped so as to be suitable for adhering to the side wall of a hoof, and a relatively inflexible plastics shoe-part adapted for bondi... | 08/31/1982 |
| 4265314 | Horse shoes A method of and apparatus for shoeing horses using a plastics material horse shoe. A flexible L-shaped strip, preferably preformed from plastics to fit a hoof, is adhered to the front and side walls of the hoof as well as to the peripheral region of the s... | 05/05/1981 |
| 4206811 | Hoof covering A hoof covering for horses comprises a horseshoe-shaped plastic body which has a generally acute-angled cross section so as to form a lower side with a flat upper surface and an upwardly extending side in the form of a conical side wall. The flat upper su... | 06/10/1980 |
| 4036302 | Horseshoe manufacture A horseshoe is applied to the hoof by means of elongated strands or laces which are adhesively secured to the shoe after being threaded through holes in the hoof. The laces have a breaking strength less than that of the strength of the horse's hoof. The h... | 07/19/1977 |
| 4013126 | Horseshoe manufacture Elongated strands are threaded through holes in a horse's hoof. The strands have substantial exposed air spaces into which adhesive may flow for facilitating securement of the shoe to the hoof by interaction with the adhesive upon the shoe. Additionally, ... | 03/22/1977 |