Average Co-Inventor Count = 3.84
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. National Business Systems, Inc. (8 from 17 patents)
8 patents:
1. 5503514 - Card embossing machine and method
2. 4969760 - Card embossing machine and method
3. 4900168 - Credit card transporting embossing and recording system
4. 4866545 - Credit card embossing and recording system
5. 4789420 - Credit card embossing system
6. 4784059 - Credit card embossing system
7. 4755069 - Credit card embossing and recording system
8. 4686898 - Credit card embossing system