Average Co-Inventor Count = 4.52
ph-index = 7
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. Esselte Pendaflex Corporation (4 from 118 patents)
2. Smead Manufacturing Company (2 from 80 patents)
3. Central Products Company (2 from 6 patents)
8 patents:
1. 5720427 - Reinforced expandable folders
2. 5711750 - Reinforced expandable folders
3. 5686180 - Water activated adhesive and paper-plastic tape containing same
4. 5551648 - Pressure plate positioner for a tape dispenser
5. 5284362 - Reinforced shelf filing folders
6. 5255798 - Adjustable suspension system for hanging folders and package therefor
7. 5256130 - Reinforced paper office supplies and method of making them
8. 5161731 - Reinforced expandable folder