Average Co-Inventor Count = 2.00
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. National Service Industries, Inc. (2 from 55 patents)
2 patents:
1. 4219869 - Apparatus for mounting and supplying power to a luminaire
2. 4219868 - Plug-in lighting system