Average Co-Inventor Count = 4.00
ph-index = 1
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. Royal Appliance Mfg., Co. (1 from 234 patents)
1 patent:
1. 7000285 - Control circuitry for enabling drive system for vacuum cleaner