Average Co-Inventor Count = 1.29
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. The Lamson & Sessions Co. (2 from 122 patents)
3 patents:
1. D441113 - Combined floodlight and sensor
2. D413277 - Transmitter for a motion sensor
3. D410404 - Chime enclosure