Average Co-Inventor Count = 1.00
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. Other (1 from 832,880 patents)
2. 3M (1 from 4 patents)
3. Pc Manufacturing Corporation (1 from 3 patents)
3 patents:
1. 5628866 - Masking machine
2. 4553710 - Roll holding fixture
3. 4326647 - Device for dispensing fluent material from a collapsible container