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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 |
| 7103954 | Stamped gate bar for vending machine and method of forming same A stamped gate bar for a vending machine having an elongated body with opposing ends. The elongated body is formed first and second side walls extending from an integrally formed edge wall. A support member is disposed along at least one of the opposing ends, and an... | 09/12/2006 |
| 5628671 | Observation hive An observation hive includes a main frame including bottom and side frame members and glass front and rear walls which cooperate to define an open-top chamber in which two honeycomb frames are removably mounted. Front and rear top frame members interconne... | 05/13/1997 |
| 5211597 | Portable beehive A portable beehive is disclosed for use in transporting a population of bees between a beekeeper facility and an orchard or the like. The portable beehive includes a box formed from a folded, single-piece blank, and a removable top cover. The interior of ... | 05/18/1993 |
| 4453281 | Bee hive frame spacer A bee hive frame spacer comprising a spacer body having an opening lengthwise therethrough and having double side walls wherein ribbed interior side walls that engage the sides of frame extensions are adapted to compensate for variations in frame extensio... | 06/12/1984 |
| 4141098 | Honey super A honey super has a pair of opposing end walls each provided with a socket disposed directly opposite the socket provided in the other of the end walls. A bar is disposed in the sockets so as to support a comb foundation of a frame disposed in the super, ... | 02/27/1979 |
