Average Co-Inventor Count = 1.71
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. Other (2 from 832,718 patents)
2. Itt Corporation (1 from 821 patents)
3. Alcatel Business Systems (1 from 65 patents)
4 patents:
1. 5176503 - Pond water destratifier
2. 5104589 - Pond water destratifier
3. 4823379 - Telephone ringer
4. 4646064 - Volume control device for ringer