Average Co-Inventor Count = 3.11
ph-index = 2
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. The Kendall Company (1 from 569 patents)
2. Sheridan Catheter Corporation (1 from 8 patents)
2 patents:
1. 5499625 - Esophageal-tracheal double lumen airway
2. 5311863 - Laser resistant endotracheal tube, tape, material and article