Average Co-Inventor Count = 2.25
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. Other (4 from 832,812 patents)
2. National Carpet Jobbers (1 from 3 patents)
3. Bell Manufacturing & Services, Inc. (1 from 1 patent)
6 patents:
1. 4529238 - Carpet handling tool
2. 4446593 - Carpet steaming tool
3. 4400911 - Adjusting window security grill
4. 4332371 - Carpet removing apparatus and method
5. 4295777 - Roll lifting dollies
6. 4241930 - Two-wheeled dolly