Average Co-Inventor Count = 3.00
ph-index = 2
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. Alwin Manufacturing Company, Inc. (2 from 27 patents)
2 patents:
1. 4422585 - Toilet paper dispenser with sliding mandrels
2. 4406421 - Paper towel dispenser with rack and gear drive