Average Co-Inventor Count = 1.20
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. M&r Marking Systems, Inc. (2 from 43 patents)
2. Trodat Gmbh (1 from 51 patents)
3 patents:
1. 7387068 - Methods of making multi-color ink stamps
2. 7273009 - Marking structures for hand stamps
3. 7166395 - Method and system of processing stamps