Average Co-Inventor Count = 3.33
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. Gseg LLC (2 from 9 patents)
2. General Signal Corporation (1 from 786 patents)
3. Dual-lite Inc. (1 from 15 patents)
4 patents:
1. D419708 - Housing for an emergency lighting device
2. D406279 - Combination emergency lighting device and exit sign
3. D400995 - Emergency lighting fixture
4. D400991 - Emergency lighting heads