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. Schaeffer-homberg Gmbh (2 from 9 patents)
2 patents:
1. 4278194 - Machine for the attachment of buttons, rivets or the like
2. 4199094 - Machine for the attachment of rivets, buttons, or the like