Average Co-Inventor Count = 4.80
ph-index = 8
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 (10 from 291 patents)
2. Irwin Hand Tools/north America (1 from 1 patent)
11 patents:
1. 7756665 - Electronic measuring device
2. 7513051 - Laser line generating device with graduated base
3. 7469481 - Intersecting laser line generating device
4. 7328516 - Laser level
5. 7310887 - Intersecting laser line generating device
6. 7272893 - Rolling electronic length measuring device
7. 7269907 - Laser line generating device with swivel base
8. 7222437 - Combined stud finder and tape measure device
9. 7178250 - Intersecting laser line generating device
10. 7178259 - Rolling electronic length measuring device
11. 7036241 - Rolling electronic length measuring device