Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 6907623 | Pressurized water closet flush system A pressurized water closet flushing system for flushing a toilet includes a water vessel having at least one opening for receiving water. A fill tube and a discharge tube extending into the vessel are secured to the vessel. A modular assembly cap including an intake... | 06/21/2005 |
| 6401267 | Methods and compositions for efficient nucleic acid sequencing Disclosed are novel methods and compositions for rapid and highly efficient nucleic acid sequencing based upon hybridization with two sets of small oligonucleotide probes of known sequences. Extremely large nucleic acid molecules, including chromosomes an... | 06/11/2002 |
| 5343572 | Pressured toilet tank flush valve A flush valve device is described for use in a toilet that includes a pressured water source, which can drain away water in the event of excess pressure with minimal modification to the toilet and which facilitates initial operation of the flush valve dev... | 09/06/1994 |
| 4656677 | Water-closet valve Savings in water consumption are obtained and problems with leakage are avoided by using a water-closet valve which is made of flexible air- and water-tight material and has not only a generally frustoconical seat-engaging portion provided with a pair of ... | 04/14/1987 |
| 4454614 | Valve arrangement for water toilets A water toilet has a valve arrangement of the integrated type, i.e. the float and all valves form a unit which in its mounted position is connected to the outlet pipe of the flush water container. According to the invention the unit is loosely connected t... | 06/19/1984 |
| 4385406 | Water closet valve An improved water closet valve is provided having two separate and distinct circular sealing rings interposed between the valve bulb and the conical opening which constitutes the valve seat. Both sealing rings may be secured to the bulb; both may be secur... | 05/31/1983 |
| 4233698 | Pressure flush tank for toilets A pressure flush tank assembly for toilets which includes a combination of a flush valve coordinated with an air induction valve and refill valve to insure successful repetitive operation, together with a construction which prevents back-flow in the event... | 11/18/1980 |
