Average Co-Inventor Count = 1.29
ph-index = 3
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. Porta Systems Corporation (3 from 141 patents)
3 patents:
1. D276606 - Horizontal type telephone protector block
2. D276605 - Telephone attenuation block or similar article
3. 4386243 - Telephone test shoe having resilient latching means