Average Co-Inventor Count = 3.75
ph-index = 8
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. Levenger Company (10 from 32 patents)
10 patents:
1. D455024 - Portable writing surface
2. D439279 - Rack for folders and the like
3. D427458 - Rack for reading materials
4. D421825 - Cart
5. D418694 - Rack for reading materials
6. D365709 - End table
7. D363603 - Portfolio
8. D359181 - Container for reading materials and small articles
9. D358271 - Stand for reading materials
10. D349731 - Clip board