Average Co-Inventor Count = 3.31
ph-index = 6
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. (4 from 43 patents)
2. Deere + Company (2 from 8,451 patents)
3. At+t Corp. (1 from 4,208 patents)
7 patents:
1. D367292 - Hand stamp handle
2. D367290 - Self-inking stamp
3. D365821 - Personal information center telephone set
4. D365578 - Front face of a vehicle grille
5. D365574 - Tractor instrument panel
6. D359504 - Hand stamp handle
7. D353394 - Dater hand stamp