Average Co-Inventor Count = 4.00
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. Ricon Corporation (3 from 49 patents)
3 patents:
1. 5944473 - Locking wheelchair lift
2. 5605431 - Locking wheelchair lift
3. 5445488 - Locking wheelchair lift