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. Simplexgrinnell LP (2 from 62 patents)
2 patents:
1. 7145466 - National security warning system integrated with building fire alarm notification system
2. 7006003 - Multi-candela emergency strobe light