Average Co-Inventor Count = 5.83
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 (3 from 12 patents)
2. Henderson Products, Inc. (1 from 8 patents)
3. Henderson Enterprises, Inc. (1 from 1 patent)
4 patents:
1. 8662422 - Apparatus for treatment of snow and ice
2. 7370818 - Apparatus for treatment of snow and ice
3. 6761525 - Combination dump and spreader apparatus
4. 6585472 - Combination dump and spreader apparatus