On Tuesday, 12 April 2016 23:06:44 UTC+1, michael adams wrote:
"Rod Speed" wrote in message
...
However some inventions seem to wait for ever.
Can't think of any important one that has.
Here's one
https://fetch.co.uk/chuckit-sport-18...FbEy0wodcX0C2w
Ball launchers for when taking the dog to the park. One piece
plastic mouding with added bits must cost about 50p to make.
Probably can't be patented but its surprising nobody
thought of them earlier.
michael adams
...
Drivel.
That was invented over 2000 years ago.
https://en.wikipedia.org/wiki/Spear-thrower.