Average Co-Inventor Count = 2.40
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. (3 from 12 patents)
2. Berol Corporation (1 from 102 patents)
4 patents:
1. 6092672 - Desktop modular assembly
2. D401627 - Desktop vertical file
3. 5823359 - Desktop vertical file assembly
4. D388465 - Desktop vertical file assembly