Average Co-Inventor Count = 4.07
ph-index = 4
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. Usg Interiors, Inc. (4 from 278 patents)
4 patents:
1. D474847 - Embossed acoustical ceiling panel
2. 6467228 - Hinged ceiling panel
3. 6035876 - Free-standing ceiling
4. D396018 - Interior tree