Average Co-Inventor Count = 2.67
ph-index = 4
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. Groves-kelco Sales, Inc. (2 from 2 patents)
2. Other (1 from 832,718 patents)
3. Groves-kelco, Inc. (1 from 1 patent)
4 patents:
1. 4070019 - Laminated game rackets and method of constructing same
2. D246474 - Racketball racket frame
3. D245034 - Tennis racket
4. 4003136 - Method for the drying and recovery of polyethylene waste material