At 11:26 AM 12/03/97 -0600, you wrote: >Geoff Wootton wrote: >>Maybe Bob should patent his clock before someone else starts >>marketing it ... >> > > The concept is already patented. In fact this design could > infringe so if anyone wants to commercialize this, beware. Could you tell us what the title of the patent is - I'd like to look it up ? I can't see that concepts are patentable - implementations are - yes ? I can see that the commercialisation of 'a' design could infringe but surely if B.Blick were to design another form and not commercialise it then that would NOT be an infringement - yes ? Rgds Mike Some say there is no magic but, all things begin with thought then it becomes academic, then some poor slob works out a practical way to implement all that theory, this is called Engineering - for most people another form of magic. Massen