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. Polytype America Corporation (1 from 10 patents)
2. Van Dam Machine Corporation (1 from 7 patents)
2 patents:
1. 5682816 - Two stage feeding apparatus and method for feeding articles to a
2. 4805758 - Crossed turret cup feeder