Average Co-Inventor Count = 2.29
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. Radio Flyer Inc. (2 from 189 patents)
2. E.i. Dupont De Nemours and Company (1 from 16,338 patents)
3. Spraying Systems Co. (1 from 199 patents)
4 patents:
1. D332996 - Lavatory
2. D316267 - Calibration calculator
3. D311554 - Side extension for a toy wagon
4. 4930831 - Side extension for a toy wagon