Average Co-Inventor Count = 2.00
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. Herst Lighting Co. (2 from 3 patents)
2. Peerless Lighting Corporation (1 from 47 patents)
3 patents:
1. 4706170 - Lighting fixture hanger unit for a modular lighting system
2. D274657 - Luminaire for indirect lighting
3. 4420798 - Adjustable overhead lighting system