Average Co-Inventor Count = 1.71
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. The Toro Company (2 from 823 patents)
2. Allis-chalmers Corporation (1 from 532 patents)
3 patents:
1. 6089006 - Grass catcher for lawn mower
2. 4969320 - A grass level checker for a grass catcher
3. 4047638 - Seed disc for an air planter