Average Co-Inventor Count = 1.33
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. Marwitz & Hauser (2 from 7 patents)
2 patents:
1. 4802754 - Soft-pad system for a spectacle frame
2. 4792222 - Pad system for a spectacle frame