Average Co-Inventor Count = 1.45
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. The Scott-fetzer Company (4 from 257 patents)
4 patents:
1. 5047597 - Vacuum cleaner switch
2. 4905343 - Vacuum cleaner switch
3. 4692754 - Rotation indicating device
4. 4573235 - Rug cleaning attachment