Average Co-Inventor Count = 2.52
ph-index = 11
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. Amsterdam Printing & Litho, Inc. (34 from 34 patents)
2. Holland Usa, Inc. (27 from 52 patents)
61 patents:
1. D1006878 - Writing instrument
2. D923092 - Writing instrument
3. D923093 - Writing instrument
4. D881989 - Writing instrument
5. D881276 - Writing instrument
6. D878463 - Writing instrument
7. D863437 - Writing instrument
8. D857799 - Writing instrument
9. D857097 - Writing instrument
10. D856424 - Writing instrument
11. 10281110 - Backlit, laser engraved metalized promotional items
12. D827711 - Writing instrument
13. D827713 - Writing instrument
14. D827712 - Writing instrument
15. D827714 - Writing instrument