Average Co-Inventor Count = 1.50
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. Chubb Industries Limited (2 from 5 patents)
2. Other (1 from 832,812 patents)
3 patents:
1. 4266488 - Relocking device for safes and the like
2. 4176610 - Safe deposit apparatus
3. 4004252 - Safe deposit apparatus, with selective plate and shield for dual