Average Co-Inventor Count = 1.71
ph-index = 13
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. Hedstrom Corporation (11 from 63 patents)
2. Brown Group Recreational Products, Inc. (9 from 15 patents)
3. Hedstrom Co. (2 from 19 patents)
4. Diversified Products, Inc. (1 from 74 patents)
5. Bedstrom Corporation (1 from 1 patent)
24 patents:
1. 6669394 - Swing attachment
2. 5528875 - Wood play tower kit
3. D367310 - Wood play tower with ball enclosure
4. D366686 - Children's play tower
5. D366512 - Pyramid-type swing support
6. D366086 - Playtower climber
7. D363524 - Swing support
8. 5364312 - Play gym construction
9. D347458 - Children's play gym
10. 4974841 - Adjustable basketball goal assembly
11. D290940 - Knock-down tricycle
12. 4621826 - Knock-down tricycle
13. D286423 - Children's play gym
14. D282187 - Riding toy
15. D281992 - Children's climber and swing support