Average Co-Inventor Count = 4.49
ph-index = 6
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 (8 from 32 patents)
8 patents:
1. D418997 - Adjustable table
2. D410493 - Eraser
3. D383790 - Portable support for writing materials
4. D365709 - End table
5. D363603 - Portfolio
6. D359181 - Container for reading materials and small articles
7. D358271 - Stand for reading materials
8. D349731 - Clip board