Average Co-Inventor Count = 2.40
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. Etzion Metal Works (2 from 2 patents)
2 patents:
1. 5690094 - Gas flame kettle
2. 5377438 - Device for preventing accidental discharging of a bullet from a firearm