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. Other (1 from 832,966 patents)
2. Acme Visible Records, Inc. (1 from 10 patents)
2 patents:
1. D245252 - Book for telephone index cards or the like
2. 3945140 - Card book