Average Co-Inventor Count = 1.08
ph-index = 6
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. Zweibruder Optoelectronics Gmbh (5 from 43 patents)
2. Zweibruder Stahlwarenkontor Gmbh (1 from 1 patent)
3. Zweibroder Stahlwarenkontor Gmbh (1 from 1 patent)
7 patents:
1. D563007 - Flashlight
2. D548862 - Multidiode flashlight
3. D507366 - Underwater torch lamp
4. 6893143 - Lamp, in particular, lounge, table or pocket lamp
5. D488249 - Pole lamp
6. D456132 - Key ring flash light
7. D450873 - Penlight