Average Co-Inventor Count = 1.00
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. Handy Button Machine Co. (2 from 20 patents)
2 patents:
1. 5031262 - Method of making a non-perforated nail button
2. 4943197 - Non-perforated nail button