Average Co-Inventor Count = 2.25
ph-index = 2
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. Shure Brothers Incorporated (3 from 55 patents)
3 patents:
1. 4275888 - Stabilizing and static removing attachment for phonograph pickup
2. D254004 - Phonograph cartridge and stylus assembly
3. D252628 - Phonograph stylus