I love the way people argue rather than taking 5 minutes to check the facts readily available on line, e.g. Google for Walter Davies's patent on Stylast ...
https://patents.google.com/patent/US5389281A/en
As a funny coincidence the patents expires today July 6th 2019. This is his only patent in his name in this field and is quite easy to read. It seems to describe the product he went on to sell in rather different terms to those used in prior replies here and reading it may add fuel to the fire.
https://patents.google.com/patent/US5389281A/en
As a funny coincidence the patents expires today July 6th 2019. This is his only patent in his name in this field and is quite easy to read. It seems to describe the product he went on to sell in rather different terms to those used in prior replies here and reading it may add fuel to the fire.