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. Plus Stationery Corporation (2 from 38 patents)
2 patents:
1. D622570 - Stapler
2. D587542 - Stapler