Average Co-Inventor Count = 2.86
ph-index = 4
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. Douglas Dynamics LLC (4 from 52 patents)
4 patents:
1. D904654 - Snow plow headlamp
2. D880027 - Snow plow headlamp
3. 9822563 - Method and apparatus for installing cutting edges on a V-blade plow
4. 9200418 - Method and apparatus for installing cutting edges on V-blade plow