Average Co-Inventor Count = 1.00
ph-index = 1
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. D276296 - Outdoor telephone booth
2. D264908 - Combined cup dispenser and straw holder