Average Co-Inventor Count = 2.69
ph-index = 5
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. Duracell Inc. (6 from 219 patents)
6 patents:
1. 4818928 - Battery pack
2. D285356 - Flashlight
3. D284309 - Floating lantern
4. D281819 - Portable light
5. D281280 - Compact light
6. D279221 - Emergency lantern