Average Co-Inventor Count = 4.13
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. Royal Appliance Mfg., Co. (2 from 234 patents)
3 patents:
1. D620511 - Solvent recycler
2. 7048804 - Suction wet jet mop
3. 6725986 - Auto-feed/rewind electric cord reel