Average Co-Inventor Count = 1.29
ph-index = 2
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. Del Puerto Marketing (1 from 1 patent)
2. Patterson Frozen Foods, Inc. (1 from 1 patent)
3. Del Puerto Marketing Company (1 from 1 patent)
3 patents:
1. 5056934 - Twist and tuck freezer bag
2. 4915292 - End fill carton
3. 4687104 - Microwave carton