Average Co-Inventor Count = 3.16
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. The Lamson & Sessions Co. (1 from 122 patents)
2. Health O Meter, Inc. (1 from 17 patents)
3. Ohio Mattress Licensing and Components Group (1 from 2 patents)
3 patents:
1. 5623864 - Single chamber brewing device
2. 5560284 - Automatic drip brewing urn
3. 5420376 - Plastic electrical box for installation in poured concrete