Average Co-Inventor Count = 2.14
ph-index = 5
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. Dynell Electronics Corporation (4 from 15 patents)
2. Solid Photography, Inc. (1 from 25 patents)
5 patents:
1. 4190913 - Invalid bed arrangement
2. 4085471 - Invalid bed arrangement
3. 4067409 - Wheel chair arrangement
4. 4054959 - Invalid bed arrangement
5. 4014355 - Bidet and hygienic cleansing arrangement