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 |
| 6192607 | Insole assembly for footwear An insole assembly for footwear includes a cushioning member and an underlying resilient support member. The cushioning member has an undersurface with a first region beneath a wearer's heel and a second region extending beneath a wearer's arch. The resil... | 02/27/2001 |
| 4603698 | System of podiatric appliances independently adjustably securable on inner sole-like base plate An inner sole-like base plate is provided of stiffly flexible material provided with a grid of a multiplicity of mounting sites, e.g. small holes. A plurality of different podiatric appliances are provided, each in a range of graduated sizes or intensitie... | 08/05/1986 |