Average Co-Inventor Count = 3.43
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. Powis Parker, Inc. (2 from 32 patents)
2 patents:
1. 7134822 - Guide apparatus for use in making a hardcover book
2. 6672815 - Apparatus and method of binding soft cover book