Average Co-Inventor Count = 2.25
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. Minnesota Mining and Manufacturing Company (2 from 7,865 patents)
2. 3m Innovative Properties Company (1 from 14,076 patents)
3 patents:
1. 6354521 - Quick disconnect and release hose couplings
2. 5785453 - Chariot for depressing pavement marking tape
3. 5047107 - Method and apparatus for applying a reflective sleeve to a traffic cone