Average Co-Inventor Count = 3.00
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. Vermeer Manufacturing Company, Inc. (3 from 470 patents)
3 patents:
1. 7441719 - Mill box for materials grinder
2. 6978955 - Mill box for materials grinder
3. 6843435 - Mill box for materials grinder