Average Co-Inventor Count = 3.43
ph-index = 4
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 (2 from 832,812 patents)
2. Watwood, Inc. (1 from 1 patent)
3. Roush USA Incorporated (1 from 1 patent)
4. Watwood, Brian Mcintosh (0 patent)
4 patents:
1. 7261309 - Wheelchair drive mechanism
2. 6893035 - Wheelchair drive mechanism
3. D504041 - Towel dispenser
4. 6755430 - Wheelchair drive assembly