Average Co-Inventor Count = 7.00
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. Stryker Corporation (5 from 2,288 patents)
2. Michael Graves Design Group, Inc. (5 patents)
5 patents:
1. D743305 - Wheelchair castor posts
2. D742286 - Wheelchair rear wheels with supports
3. D732439 - Wheelchair armrests
4. 9033349 - Pole and topper for mobile medical device
5. D705134 - Wheelchair handlebars