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. Gilson Brothers Company (1 from 13 patents)
2. Gilson Brothers (1 from 1 patent)
2 patents:
1. 4620575 - Speed control for lawn and garden vehicle
2. 4310998 - Grass collection cart