Average Co-Inventor Count = 2.50
ph-index = 3
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. Black Decker Inc. (3 from 5,073 patents)
2. Polaroid Corporation (1 from 2,176 patents)
4 patents:
1. D411893 - Flashlight
2. D406372 - Pivot head flashlight
3. D391654 - Flashlight
4. D390678 - Flashlight