Average Co-Inventor Count = 4.09
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. John D. Brush Co., Inc. (3 from 113 patents)
3 patents:
1. D503563 - Compact gun cabinet
2. D493270 - Gun safe door with three arm handle
3. D487835 - Gun safe door with one arm handle