Average Co-Inventor Count = 1.00
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. Evva-werk Spezialerzeugung Von Zylinder- Und Sicherheitsschlossern (1 from 15 patents)
2. Evva Werk Spezialerzeugung Von Zylinder- Und Sicherheitsschloessern (1 from 4 patents)
2 patents:
1. 4310820 - Magnetizing device
2. 4238752 - Magnetizing device