Average Co-Inventor Count = 3.11
ph-index = 1
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. Nottingham-spirk Design Associates, Inc. (1 from 37 patents)
2. Akron Brass Company (1 from 23 patents)
2 patents:
1. 10987529 - Fire extinguisher
2. D702000 - Fire extinguisher