So he invented techniques playing with his left hand to the side.

In simple language I have invented a technique to tell how long a man will live.

"You also had to invent new techniques for keeping a lid on things."

Rentokil has invented new 'green' techniques to meet those problems.

After college, he invented a technique for sugar coating pills.

He also invented a technique for drawing hologram-like images by hand.

During his career, he invented several medical instruments (including the first larygoscope) and techniques.

Bell worked extensively in medical research and invented techniques for teaching speech to the deaf.

He invented new machinery and techniques to speed up the process of photo-engraving.

She invented a technique of weaving straw with silk and thread.