Average Co-Inventor Count = 1.20
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. Bloomfield Manufacturing Company (3 from 25 patents)
3 patents:
1. 4611824 - Cab guard
2. 4379546 - Lifting jack
3. D248460 - Jack