For every fridgefile that reaches the market, many more inventions fail.
Perrin's invention failed him; he knew he should have taken time to think it out.
Bell's early inventions, while ingenious, failed to move the world.
When his invention fails to produce the required results, he begins to doubt himself, and is even considered as a liar by some.
Holman's invention fails that test, but provides much of the same function anyway.
Sadly, this invention failed to pan out, and only one working prototype was ever made.
Logan warned me there was more than an even chance that his invention would fail.
After all, when the inventions of man fail, one falls back upon nature.
Pope's invention, and a backup parachute, both failed to open.
Yes, before they came up with any more bizarre questions and his invention failed him.