Average Co-Inventor Count = 2.00
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. Rule Industries, Inc. (2 from 28 patents)
2 patents:
1. 4527449 - Boring bit and method for manufacture thereof
2. D278065 - Boring tool or similar article