Average Co-Inventor Count = 2.00
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. Plymouth Products, Inc. (2 from 9 patents)
2 patents:
1. 6117332 - Method for using a center core cartridge feeder insert
2. 5897770 - Center core cartridge feeder insert