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 |
| 6761379 | Pipe fittings A pipe fitting includes a hollow body and at least one open end for connection to a pipe fitting, the end including internal screw threads. The end includes an integral extension collar which has an inner diameter larger than the screw threads for surrounding unused... | 07/13/2004 |
| 6722705 | Medical tubing connector A medical connector, usable to securely couple a first tubular medical device to a second tubular medical device, includes first and second fittings cooperating with the first and second medical devices, respectively. The first and second fittings may each include a... | 04/20/2004 |
| 6481762 | Pipe coupling A pipe coupling for attachment to a pipe includes a sleeve. One end of the sleeve is configured to receive a pipe end. The pipe coupling also includes an annular gasket disposed within the end of the sleeve for encircling the pipe end. The coupling includ... | 11/19/2002 |
| 5788398 | Connector seal for an anchor and a corrosion-protection tube of a post-tension system A connector for joining a corrosion-protection tube to an anchor of a tendon of a post-tension system including a body formed of an elastomeric material and a seal formed interior of the body. The body has a first receptacle formed at one end thereof for ... | 08/04/1998 |
