Average Co-Inventor Count = 3.71
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. Irwin-industrial Tool Company (3 from 291 patents)
3 patents:
1. 7600640 - Multi-configured tool bit box
2. 7316527 - Lockset drilling guide
3. 7225923 - Multi-configured tool bit box