"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
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| Number | Title | Issue Date |
| 4571883 | Plant pot drain A drainage device for a plant pot or receptacle wherein said drainage device is set into the drainhole located at the center of the base of said plant pot, said drain device becoming integral with the pot, wherein the drainage device allows fluid to seep ... | 02/25/1986 |
| 4557407 | Pants hanger The invention provides a multiple pants hanger for supporting a plurality of pairs of pants. The hanger includes a plurality of horizontally extending parallel bars each substantially wider than thick, means for securing the bars together in a spaced rela... | 12/10/1985 |
| 4551129 | Technique and apparatus for intraocular and microsurgery including lighter-irrigator hypodermic tube A technique and system for facilitiating intraocular and other microsurgery comprising a lighter-irrigator tube which utilizes a central light guide to conduct light into the area of the surgery along the fluid infusion pathway. An auxiliary to the lighte... | 11/05/1985 |
| 4521009 | Portable exercise device A portable exercise device for use with the user's legs at various locations. The device comprises a curved frame having feet for resting on a surface and handlebars for gripping the device, and a pedal arrangement. The pedal arrangement is adjustable to ... | 06/04/1985 |
| 4507338 | Container comprising a polysulfone resin layer with a cellular resin core This invention relates to the use of two or more polymeric materials combined together forming a composite, layered structure for use in microwave oven cookware or similar types of application.... | 03/26/1985 |