Average Co-Inventor Count = 1.50
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 (3 from 832,891 patents)
2. Draft Systems, Inc. (2 from 21 patents)
5 patents:
1. 5350032 - Power conversion kit for wheelchair
2. 5156562 - Submerged article marker and retriever
3. 4687198 - Recreational platform
4. 4554864 - Food cooker
5. 4475368 - Method and apparatus for restraightening container support skirts