Average Co-Inventor Count = 1.60
ph-index = 4
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. Sevenson Company (3 from 4 patents)
2. Steiner Corporation (1 from 14 patents)
4 patents:
1. 4500209 - Feed mixing apparatus
2. 4444509 - Feed mixing apparatus
3. 4423961 - Feed mixing apparatus
4. 4158923 - Roadway snow excavator