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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 |
| 7309082 | Document sheet with recessed cavity and window to allow two-sided printing of an object received therein A document sheet with a removably attached object thereon having simplified inexpensive construction and having a reduced cross-sectional thickness enabling use of the sheet in printers without the risk of jamming the printer. The document sheet also allows both sid... | 12/18/2007 |
| 7074476 | Flexible carrier having regions of higher and lower energy treatment A flexible carrier for carrying a plurality of beverage containers includes a plurality of container holders, each having a portion with higher energy treatment and a portion with lower energy treatment. The energy treatment is corona or plasma treatment. The portio... | 07/11/2006 |
| 5776619 | Plate stock An improved coated paperboard or plate stock useful for forming substantially rigid food containers such as plates, bowls, trays and the like and a process from producing the improved coated paperboard are provided. A base coat comprising a styrene acryli... | 07/07/1998 |
| 5143281 | Folding box package of a liquid-tight, heat sealably coated composite cardboard material, more particularly a foil mounted composite cardboard material The invention relates to a folding box of composite cardboard material coated heat sealably at least on the inside, which has a flat bottom to which two pairs of opposite triangular folding pockets are sealed lying flat. To prevent bubble formation on the... | 09/01/1992 |
| 5088643 | Method for bonding pour spouts to containers The polymer coated exterior of a paperboard container used to package liquid products is selectively treated with a flame or corona to raise the surface tension in the areas which are intended to accept ink while eliminating or canceling any surface treat... | 02/18/1992 |
| 4710358 | Apparatus for changing the surface tension of cup-like containers To change the surface tension of cup-like containers by means of corona treatment, the containers are placed on a mandrel and are moved by drive wheels in such a way that the cup-like container is caused to roll off on the mandrel with the inside of the w... | 12/01/1987 |
| 4504261 | Method of making a paper tube A method of manufacturing spiral winding paper tube, the surface of which is ground, coated with colored synthetic resin and ground again after coating. By this way, paper tube of any length, with variously colored and very smooth surface of appropriate h... | 03/12/1985 |
| 4425108 | Method of making polyethylene shipping sack with flexographically applied barrier coating A polyethylene shipping bag having an internal nylon barrier coating which permits packaging of materials which normally migrate through polyethylene. The coating is flexographically applied from a nylon solution in a lower aliphatic alcohol with up to 15... | 01/10/1984 |
| 4135438 | Device for roughening the edge surface of a plurality of sheets Device for roughening the edge surface of a plurality of sheets to be bound into a book, in which the sheets are clamped, with one edge surface thereof facing a rotatable cutter, which is moved along the length of the edge surface while the cutter is rota... | 01/23/1979 |
| 4007671 | Folding blank press with means to scarify blank surfaces intended for gluing Folding blank processing apparatus with scarifying means to scar, or distort, the surface of the paper or board of the blank to produce pock marked surface scarring on the blank adjacent a score line fold for the purpose of holding adhesive at the scarifi... | 02/15/1977 |
