Average Co-Inventor Count = 3.43
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. Celestron International (1 from 2 patents)
2 patents:
1. D454899 - Single fork arm telescope mount
2. D438221 - Telescope