Average Co-Inventor Count = 2.67
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. Handy Button Machine Co. (2 from 20 patents)
2. Chaney Instrument Co. (2 from 8 patents)
4 patents:
1. D758975 - Control panel and hub
2. 8998355 - Drawer guide system
3. D528933 - UV meter
4. D524176 - Heat index monitor