Average Co-Inventor Count = 4.00
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. The L.s. Starrett Company (4 from 22 patents)
4 patents:
1. D487025 - Tape measure
2. D453694 - Tape measure
3. D441309 - Tape measure
4. D419081 - Tape measure