Average Co-Inventor Count = 5.00
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. Sterling Plastics Co. (4 from 12 patents)
2. Sterling Plastics, Inc. (1 from 2 patents)
5 patents:
1. 5516151 - Clipboard
2. D355360 - Storage box
3. D353401 - Memo holder
4. D352067 - Organizer tray
5. 5299690 - Cascading stackable trays