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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 |
| 4431238 | Cabinet for storing and selectively dispensing a variety of paper supplies A cabinet for storing and selectively dispensing a variety of paper supplies in web form carries separate boxes of webs on vertically spaced decks of a turntable within the cabinet. The boxes on one deck are offset with respect to the boxes on the other d... | 02/14/1984 |
| 4179168 | Display device having a locking mechanism A display device including a plurality of generally vertical display racks supported to form a rectangular configuration, each of the display racks supported for rotation between a first position, wherein their front faces face outwardly for displaying th... | 12/18/1979 |
| 4140354 | Mini-card tray rotary file structure and system A mini-card rotary file structure and system which includes a rotor support and a rotor spanning the support with a plurality of card tray support fins arranged in intersecting chordal planes on the rotor and slidably removable mini-card holder and transf... | 02/20/1979 |
| 4118082 | Advertisement pillar An advertisement pillar for use on public streets, squares or in buildings for displaying advertising cards which can be dispensed in blank form and thereafter reinserted into the device for subsequent display. The pillar is comprised of an outer transpar... | 10/03/1978 |
| 4099810 | Upright document carousel Apparatus for storing documents includes a cylindrical housing and, in the housing, an upright carousel having a number of radially disposed pockets. The housing has a horizontally and radially extending opening on a vertical wall and a horizontal opening... | 07/11/1978 |
| 4050751 | Document carousel Apparatus for storing documents includes a carousel having a number of pockets and a structure for covering the pockets, the structure having a pair of openings through which documents may be moved into or out of the pockets. A drive is available for sepa... | 09/27/1977 |
