Average Co-Inventor Count = 2.25
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. Deere & Company (3 from 8,489 patents)
3 patents:
1. 5676073 - Closing wheels adjustment mechanism
2. 5664507 - Seed tube guide
3. 5533458 - Seed tube for an agricultural seeding machine