Average Co-Inventor Count = 1.33
ph-index = 5
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Cbs Corporation (6 from 133 patents)
6 patents:
1. D269437 - Electric guitar
2. D269186 - Electric bass guitar
3. 4373417 - Electric guitar
4. D263149 - Nut for guitars
5. D256132 - Bridge for guitars
6. 4206679 - Electric Spanish guitar, and nut incorporated therein