Average Co-Inventor Count = 2.40
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. Rembrandt Photo Services (2 from 13 patents)
2. Qualex Financial Corporation (1 from 2 patents)
2 patents:
1. 5360234 - Apparatus for holding photograph albums and method
2. D317675 - Photo wallet or similar article