Average Co-Inventor Count = 1.33
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. Vermont American Corporation (4 from 71 patents)
4 patents:
1. D325874 - Desk clock
2. D320747 - Clock
3. D320124 - Drill bit holder
4. D313889 - Holster for bits