Average Co-Inventor Count = 1.41
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. Simmons Company (4 from 38 patents)
4 patents:
1. 5265291 - Box spring corner support
2. 5245716 - Flotation system with liner tray
3. 5165125 - Bedding system including spring having limiting membrane
4. 5105488 - Bedding configuration having variable support characteristics