slide 2 of 6. When most people ask 'how long does a patent last', they are inquiring about utility patents. A utility patent is the patent granted for new machines, processes, products, and scientific formulas such as medicines or new elemental compounds.
The Stick. The largest part of the violin bow is the stick,with the best ones made of Pernambuco wood from Northeast Brazil, although carbon fiber is another quality choice.he Hair. The hair is the part of the violin bow that touches the strings and produces sound. Horse-hair is the traditional favorite, but synthetic hairs are also used for cheaper bows.
Diamond Archery. Diamond compound bows are made by the BowTech Archery Company. The bows that are made under the Diamond label are the single cam line of bows providing a great deal of adjustability in the draw length as well as smooth timing and a nice fluid draw across all of the bows. They do this by means of the solocam that powers each bow.