Average Co-Inventor Count = 3.00
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. Hausted, Inc. (3 from 7 patents)
3 patents:
1. 4949410 - Guard rail for patient transport apparatus hospital beds and the like
2. 4882797 - Ophthalmic surgery stretcher
3. 4858260 - Patient transport apparatus including Trendelenburg mechanism and guard