Average Co-Inventor Count = 1.47
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. Phillips & Brooks/gladwin, Inc. (7 from 9 patents)
7 patents:
1. D387579 - Modular telephone enclosure
2. D385428 - Modular telephone enclosure
3. D376277 - Modular telephone enclosure
4. D358951 - Adjustable height telephone pedestal
5. D355989 - Multiple station telephone booth with dome top
6. D351753 - Double wall-mounted telephone booth
7. 5301229 - Adjustable height pedestal for public and coin telephones