Average Co-Inventor Count = 1.64
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. Pierce Manufacturing Company (2 from 12 patents)
2. Pierce Manufacturing Inc. (1 from 9 patents)
3 patents:
1. 7878472 - Auto-locking holder apparatus
2. D617242 - Vehicle cab
3. D562200 - Vehicle hood