Average Co-Inventor Count = 1.00
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. National Manufacturing Co. (4 from 40 patents)
4 patents:
1. D519944 - Handle magnet
2. D512254 - Wall storage apparatus
3. D485809 - Block magnet
4. 6669024 - Sweeper magnet