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. Von Duprin, Inc. (2 from 74 patents)
2 patents:
1. 7832777 - Door lock assembly
2. 7722096 - Latchbolt for a door lock assembly