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United States Utility Patents
4,240,440 - 4,240,449
Previous 10 Next 10
| Number | | Title |
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4,240,440 |
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Method and apparatus for nuclear kymography providing a motion versus time display of the outer transverse dimensions of an organ |
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4,240,441 |
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Carotid thermodilution catheter |
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4,240,442 |
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Variable threshold R-wave detector |
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4,240,443 |
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Selective preamplifier of cell potentials |
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4,240,444 |
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Apparatus for sensing coughs |
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4,240,445 |
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Electromagnetic energy coupler/receiver apparatus and method |
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4,240,446 |
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Vine crop harvester |
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4,240,447 |
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Use for preparing smoking tobacco compositions of spiropyran derivatives |
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4,240,448 |
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Apparatus for increasing the permeability of wrapping material for rod-shaped smokers' products |
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4,240,449 |
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Cigarette and cigar extinguisher |
For U.S. patent law, rules, and procedures see MPEP.
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