Average Co-Inventor Count = 1.50
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. Parker Industries, Inc. (3 from 4 patents)
3 patents:
1. 4199075 - Hinge structure for refuse containers
2. 3997215 - Gravity bed trailer
3. 3994512 - Undercarriage for grain buggy or farm wagon