Average Co-Inventor Count = 1.60
ph-index = 2
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. Deere + Company (2 from 8,451 patents)
2 patents:
1. 4330985 - Machine for rolling hay into cylindrical bales
2. 4115983 - Row-crop harvesting header