Average Co-Inventor Count = 2.57
ph-index = 3
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. Kratzert & Schrem Gmbh (2 from 3 patents)
2. Dataplus Gmbh Kratzert & Schrem (1 from 2 patents)
3 patents:
1. D474966 - Folder and rider thereof
2. 5413430 - Clamping device and a clamping file equipped therewith
3. 4940352 - Binding folder