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. A. Schweizer Gmbh Optische Fabrik (5 from 14 patents)
5 patents:
1. D579962 - Magnifying glass
2. D579963 - Magnifying glass
3. D579966 - Magnifying glass
4. D579965 - Magnifying glass
5. D579964 - Magnifying glass