He was a prolific inventor whose projects had a profound influence across the world.

A prolific inventor, he did not restrict himself to office machinery.

A prolific inventor, he took out over 50 patents between 1897 and 1920, mostly concerning two-stroke engines and road vehicles.

It follows that there are sufficient joints in her harness to offer targets enough to provide for the efforts of the most prolific inventor.

He was a prolific inventor who held more than 80 patents and wrote over 100 technical papers.