Average Co-Inventor Count = 1.02
ph-index = 19
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. Quabaug Corporation (18 from 27 patents)
2. Quabaug Rubber Company (6 from 9 patents)
3. Quabuag Corporation (1 from 1 patent)
25 patents:
1. D339675 - Tread surface and periphery of a footwear unit sole
2. D325807 - Footwear unit sole
3. D325806 - Footwear unit sole
4. D325808 - Footwear unit sole
5. D321778 - Bottom and periphery of a footwear unit sole
6. D321275 - Tread surface and periphery of a footwear unit sole
7. D318169 - Tread surface and periphery of a footwear unit sole
8. D317974 - Tread surface and periphery of a footwear unit sole
9. D317827 - Tread surface and periphery of a footwear unit sole
10. D317826 - Tread surface and periphery of a footwear unit sole
11. D317225 - Tread surface and periphery of a footwear unit sole
12. D308286 - Footwear unit sole
13. D302625 - Shoe sole
14. D302352 - Shoe sole
15. D301283 - Shoe sole