Average Co-Inventor Count = 3.00
ph-index = 3
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. Aluminum Company of America (2 from 1,321 patents)
2. The Stolle Corporation (1 from 32 patents)
3 patents:
1. D402555 - Easy-open container end
2. D397296 - Easy open container end
3. D289017 - Pull tab