Genentech conceded that yesterday's ruling against it has left the company with no British patent.

Gamble was granted British patent 2487 on 20 October 1801.

A British patent was issued to him in 1883.

His British patent, No. 1636 of 1864, contains points of interest.

Although the instructions claimed it was protected by a British patent, there is no evidence this was actually done.

Hancock was awarded a British patent on May 21, 1844.

More importantly, the new British patent covers products resulting from the technique - whether animal or human.

On August 22, 1851, he was granted a British patent for a new revolver design.

Gütter obtained a British patent for his instrument circa 1883-1884.

He was granted a British patent in 1885.