Average Co-Inventor Count = 3.00
ph-index = 4
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. Holland Usa, Inc. (5 from 52 patents)
2. Amsterdam Printing & Litho, Inc. (1 from 34 patents)
6 patents:
1. D721762 - Writing instrument
2. D710941 - Writing instrument
3. D707294 - Writing instrument
4. D706969 - Flashlight
5. D695830 - Writing instrument
6. D695344 - Writing instrument