Average Co-Inventor Count = 1.76
ph-index = 3
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 832,680 patents)
2. Sherwood Services Ag (1 from 268 patents)
3 patents:
1. 6416520 - Microdrive for probes
2. 4911425 - Wheelchair user exercise device
3. 4463985 - Heel strap retractor for wheel chair foot rests