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2017
|
Invention
|
Pressure indicating devices. A device for the reversible indication of applied pressure by a colo... |
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2016
|
Invention
|
Pressure imaging and indicating materials and devices.
This invention relates to pressure indica... |
|
|
Invention
|
Pressure imaging and indicating materials and devices. This invention relates to pressure indicat... |
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2013
|
Invention
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Colour-forming materials, contact recording devices and pressure recording devices. The present i... |
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2012
|
Invention
|
Iodine device and enclosure. The present invention relates inter alia to methods and apparatus fo... |
