Sentence examples for devices have existed from inspiring English sources
Stapling devices have existed since at the least the French court of Louis XV.
Other flexible gastro-endo-surgical devices have existed for some time, but what is novel about this latest device is that once in place it allows its shape to be locked.
A few artifacts and some Arabic texts suggest that simpler geared calendrical devices had existed, particularly in Baghdad around A.D. 900.
The potential, and desire, for autonomous home and work devices has existed for some time.
The 2009 Tax Authorities Report indicates that the phenomenon of leasing companies' purchasing cars with minimal safety devices has existed for several years.
Probably because it would be hard to argue against users creating functionality for the device that should have existed there in the first place.
It is a fabulously futuristic device, yet it is designed to recreate something that may have existed for a flash at the Big Bang -- 15 billion years ago.
These companies could never have existed without the combination of cloud-based infrastructure and mobile devices.
A time machine is a device which brings about closed timelike curves and thus enables time travel where none would have existed otherwise.
Virtual-reality devices have crept into the mainstream as they become more readily available for consumers, but they have existed in various forms for five decades.
