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. Vivitar Corporation (1 from 60 patents)
2. Balcon Industries, Inc. (1 from 2 patents)
2 patents:
1. 4516489 - Apparatus for crushing articles
2. 4358995 - Apparatus for crushing articles