Average Co-Inventor Count = 1.50
ph-index = 4
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. The Parker Pen Company (4 from 29 patents)
4 patents:
1. D282753 - Writing instrument with a striped body
2. D282754 - Writing instrument with faceted trim rings
3. D282672 - Ball point writing instrument
4. D282553 - Writing instrument with contrasting striped body