Average Co-Inventor Count = 2.18
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. Skil and S-b Power Tool Company (3 from 4 patents)
2. Skil Corporation (1 from 45 patents)
4 patents:
1. D349883 - Battery charger with means for supporting dual battery packs and tool
2. D348428 - Battery charger with means for supporting dual battery packs
3. D345727 - Rechargeable battery pack for electric power tools
4. 5121803 - Cordless tool bit storage