Average Co-Inventor Count = 1.97
ph-index = 7
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. (8 from 43 patents)
8 patents:
1. 6834584 - Pocket hand stamp
2. D493191 - Hand stamp
3. D493192 - Hand stamp
4. D478930 - Hand stamp and storage cap
5. D477628 - Hand stamp case
6. 6499398 - Hand stamp and a method of assembling hand stamp
7. D452262 - Hand stamp
8. D451945 - Hand stamp