Average Co-Inventor Count = 1.00
ph-index = 1
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. Dupage Children's Museum, Inc. (2 from 3 patents)
2 patents:
1. 8177120 - Currency donation machine using air current
2. 7165861 - Ultraviolet peg illumination