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. Other (3 from 832,880 patents)
3 patents:
1. 4966062 - Guitar support apparatus
2. 4530510 - Log roller
3. 4459732 - Stove roller