Average Co-Inventor Count = 1.60
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. Other (4 from 832,812 patents)
4 patents:
1. 6010276 - Island form
2. 5797221 - Replacement manhole cover assembly
3. 5700106 - Island form
4. 5572761 - Portable golf ball and club cleaner cup