This unconventional rubber springing came straight from the patented system used for the invalid car.

This is a patented system that "develops" each target like a polaroid over 5-10 minutes.

They have a patented 4-side-locked system that keeps moisture out.

And now you can, with my patented system of pulleys and levers.

The padding is part of a patented system aimed at better absorption, the company said.

A patented magnetic system allows customers to try out a variety of mats and frames on pictures before they make their final selections.

They used a patented system of richly patterned concrete blocks.

This proved to be a success and resulted in his patented system known as 'lock and block'.

The patented system relies on a laser beam to identify micro-organisms in water.

Their patented system takes a small gas turbine and mixes it with preheated air.