Average Co-Inventor Count = 4.61
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. Electronic Controls Company (3 from 49 patents)
3 patents:
1. D576960 - Six button control head
2. D576959 - Three button control head
3. 7183938 - Rotating beacon system