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. Hedstrom Corporation (4 from 63 patents)
4 patents:
1. D372065 - Children's tubular slide
2. 5505664 - Articulated swing
3. D366687 - Swing seating platform
4. D363521 - Children's slide