Average Co-Inventor Count = 2.67
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. Royston Manufacturing Corporation (2 from 10 patents)
2 patents:
1. 4489996 - Cabinet with an external shelf and cup dispenser
2. 4242970 - Free-standing article support unit