Average Co-Inventor Count = 2.12
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. Acuity Brands, Inc. (1 from 160 patents)
2. Grindmaster Corporation (1 from 57 patents)
3. The W. B. Marvin Manufacturing Company (1 from 21 patents)
3 patents:
1. D555968 - Chilled beverage dispenser
2. D499475 - Space heater and humidifier
3. D481159 - Luminaire bracket