Average Co-Inventor Count = 1.60
ph-index = 4
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. Yale Security Inc. (4 from 90 patents)
4 patents:
1. 9169666 - Door latch operator apparatus
2. 8523249 - Reversible latch bolt
3. 7510222 - Reversible latch bolt
4. 7108300 - Reversible latch bolt