Average Co-Inventor Count = 1.20
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. American Flange & Manufacturing Co., Inc. (3 from 21 patents)
3 patents:
1. 4905862 - Protective closure
2. 4003488 - Tear open bottle cap
3. 3974931 - Bottle cap