Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 5792148 | Device and method for removal of ticks from humans and animals The invention concerns a method and device for removing ticks from humans and animals. The device comprises: a base part (1) with at least one opening (2a, 2b), a thread loop (6) of resilient material which is arranged to be drawn into the opening (2a, 2b... | 08/11/1998 |
| 5787523 | Patient sliding sheet with liquid absorbing layer The invention pertains to a low friction bed sheet or the like for facilitating changing the position of a person or part of a person in prone position. The low friction bed sheet includes at least a low friction surface comprising a material with low fri... | 08/04/1998 |
| 5778597 | Support device for potted plants and the like A device for supporting potted plants and the like, comprising a saucer and at least one support pin which can be fitted to the rim of the saucer so as to support at its upper part a plant stem or stalk which stretches upwards from a plant pot resting on ... | 07/14/1998 |
| 5771817 | Recovery boiler A recovery boiler for combusting spent liquor from cellulose cooking while at the same time recovering chemicals. The recovery boiler is constructed for so-called "rotafire" combustion and the speed of rotation of the secondary air has been increased by a... | 06/30/1998 |
| 5770072 | Multiple inlet valve with means to isolate each inlet individually and direct a reverse flow therethrough The invention relates to a valve arrangement which can preferably be used in connection with a removal system comprising digester screens for digester liquids in cellulose digesters. The valve is characterized by a housing (1) with inlet openings (7) for ... | 06/23/1998 |
| 5762760 | Reactor for treating pulp with a gas The reactor comprises a pressurized vessel having an outlet member at its top and further including a blow line. The outlet member includes a housing that is in fluid communication with the vessel and to which the blow line is connected. A rotor is arrang... | 06/09/1998 |
