Average Co-Inventor Count = 3.00
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. Handi-Craft Company (3 from 50 patents)
3 patents:
1. D423107 - Nursing bottle with indented sides
2. D420448 - Nursing bottle with indented sides and vent tube
3. 4838826 - Toy telephones and cords for toy telephones