Average Co-Inventor Count = 3.32
ph-index = 10
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. (11 from 43 patents)
11 patents:
1. D493191 - Hand stamp
2. D493192 - Hand stamp
3. D480103 - Seal press
4. D478930 - Hand stamp and storage cap
5. D477628 - Hand stamp case
6. D444808 - Hand stamp
7. D387800 - Ink pad holder
8. D387799 - Self-inking stamp
9. 5649485 - Self-inking stamp
10. 5517916 - Self-inking stamp
11. D359504 - Hand stamp handle