Average Co-Inventor Count = 1.33
ph-index = 1
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. St Dupont (2 from 66 patents)
2 patents:
1. 4601656 - Gas flowrate regulating device for a liquefied-gas lighter
2. 4588374 - Device for controlling the flowrate of a liquefied-gas lighter