Average Co-Inventor Count = 1.00
ph-index = 5
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. American/durein Company (3 from 3 patents)
2. Swingline Inc. (2 from 48 patents)
3. Tion Equipment Company (1 from 1 patent)
6 patents:
1. 4397410 - Burster
2. 4222511 - Low noise burster
3. 4094498 - Separator
4. 4018431 - Separator for handling multi-folded paper
5. 3991924 - Burster mechanism
6. 3937377 - Chopper for margins of multi-folded paper