Average Co-Inventor Count = 1.00
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. Dbs, Inc. (3 from 14 patents)
3 patents:
1. 4459912 - Printing pressure compensating means in pump handle imprinters
2. 4437404 - Electric data recorder
3. 4401029 - Credit card imprinter with card-sensing form insertion interlock