Average Co-Inventor Count = 3.43
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. Cormark, Inc. (2 from 36 patents)
2 patents:
1. 6805187 - Security cover
2. 6775936 - Movable display sign