Average Co-Inventor Count = 2.57
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. Graham Packaging Company, L.p. (3 from 544 patents)
3 patents:
1. 6223397 - Stackable ergonomic handle
2. D423349 - Ergonomic handle for a blow-molded container
3. 6049945 - Stackable ergonomic handle