Average Co-Inventor Count = 6.80
ph-index = 5
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 (3 from 118 patents)
2. Smead Manufacturing Company (2 from 80 patents)
5 patents:
1. 5720427 - Reinforced expandable folders
2. 5711750 - Reinforced expandable folders
3. 5284362 - Reinforced shelf filing folders
4. 5275439 - Hanging laminated folder
5. 5256130 - Reinforced paper office supplies and method of making them