Unlike most makers?

It seems to me that everyone and his dog, including Greener, was willing to pay the licence fees to Westley Richards to use the Anson and Deeley action although Greener then tried (unsuccessfully) to sidestep the Patent with his Facile Princeps design.

I suppose the moral of the story is that if your design is sufficiently superior people will be willing to pay up rather than go to the trouble of trying to design an alternative that is less good