Average Co-Inventor Count = 2.61
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. Canhart Industries, Inc. (2 from 2 patents)
3. Guardian Products, Inc. (1 from 26 patents)
5 patents:
1. 5301968 - Mobility support device
2. 5056753 - Safety support structure
3. 4893826 - Mobility support device
4. D305014 - Wheelchair
5. 4805248 - Invalid transfer lift