Average Co-Inventor Count = 1.33
ph-index = 3
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. Intercraft Company (4 from 15 patents)
4 patents:
1. 6308988 - Page protection system for photo albums and the like
2. 6155602 - Page protection system for photo albums and the like
3. 6142697 - Ring lock for album or binder
4. 6027275 - Seal for notebook and album rings