Average Co-Inventor Count = 2.00
ph-index = 2
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. Upneumat International, Inc. (3 from 5 patents)
2. W. R. Grace Co. (1 from 853 patents)
4 patents:
1. D308931 - Portable pneumatic tool housing
2. D307103 - Portable pneumatic tool
3. D294001 - Portable pneumatic tool housing
4. D271674 - Kinetic sculpture