Average Co-Inventor Count = 2.57
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. Manville Service Corporation (2 from 112 patents)
2. Manville Corporation (1 from 151 patents)
3 patents:
1. D302737 - Luminaire
2. 4551792 - Exterior post top mounting lighting fixture
3. 4472769 - Adjustable lamp socket with cylindrical shield