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.
Selecting Your Violin Bow | Part 1: Length and Playing Surface. Next to the instrument itself, the most critical piece of equipment for a violinist is the bow. The violinistâs bow is an extension of the playerâs body, and is in great part responsible for the quality of sound that player draws from the instrument.