Average Co-Inventor Count = 2.18
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. Kolbus Gmbh & Co. Kg (4 from 128 patents)
4 patents:
1. 611975 - Device for laying end papers on inner books
2. 6119753 - Device for laying end papers on inner books
3. 5800110 - Book case joint forming method and apparatus
4. 5556244 - Method of and apparatus for backing book blocks