1.   Cox made millions by patenting a device used in steel production.

2.   Arick has patented a device that looks like a handgun.

3.   A German inventor has patented a device that uses electromagnetic signals to detect the presence of living bodies.

4.   A photographer has patented a device that motorists could use to blind the roadside cameras that are designed to catch them breaking the speed limit or jumping traffic lights.

5.   But a Massachusetts inventor recently patented a device that could clear the way for affordable video calls from home phones as well as cellular units.

6.   Call it what you will, Settles has patented a device that looks like an airport metal detector.

7.   Clarke and his colleagues have patented a device, similar to a hospital ventilator, that reduces the load on the counterlung to keep breathing free and easy.

8.   He patented the device along with Markus Wolperdinger and Jeffrey Pilgrim.

9.   Hogan has just patented a device that he said can be used to test asphalt or other playground surfaces on site.

10.   Medical devices are patented all the time.