Average Co-Inventor Count = 3.00
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. Campbell Hausfeld/scott Fetzer Company (2 from 136 patents)
2 patents:
1. 7677476 - Extension pole apparatus
2. D464471 - Electric pressure washer