Average Co-Inventor Count = 1.60
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. Swingline Inc. (3 from 48 patents)
2. Spotnails, Inc. (1 from 1 patent)
4 patents:
1. 4227638 - Retractable clinching anvil stapler
2. 4221153 - Corrugated fastener and strip of fasteners
3. D254977 - Combined power stapler and desk stapler unit
4. 4157778 - Binding system