Average Co-Inventor Count = 3.60
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. Henderson Manufacturing Company (2 from 12 patents)
2. Henderson Products, Inc. (1 from 8 patents)
3 patents:
1. 7913931 - Combination dump and spreader apparatus
2. 6945482 - Combination dump and spreader apparatus
3. 6874582 - Plow hitch for vehicle