Average Co-Inventor Count = 1.11
ph-index = 19
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. Questor Corporation (8 from 83 patents)
2. Cosco, Inc. (6 from 106 patents)
3. Midwest Tool and Cutlery Company (3 from 13 patents)
4. Spalding & Evenflo Companies, Inc. (2 from 70 patents)
5. Gerico, Inc. (1 from 12 patents)
6. Sde Investments, Inc. (1 from 1 patent)
7. Hartley Associates Inc. (1 from 1 patent)
8. Rainbow Roller Venture (1 from 1 patent)
9. Mitchell Associates (1 from 1 patent)
10. Collier-kenworth Company (1 from 1 patent)
11. U.S. Brands (1 from 1 patent)
12. R/d/ & D, Inc. (1 from 1 patent)
13. Spe Investments, Inc. (1 from 1 patent)
14. Sde Investments, Inc. (corp. of Michigan) (1 from 1 patent)
41 patents:
1. D341555 - Stroller and hub cover
2. 5257799 - Foldable stroller
3. 5195715 - Christmas tree holder
4. 5115523 - Convertible infant restraint device
5. 5104134 - Child's combination carseat and stroller
6. D325132 - Adjustable combined car seat and infant carrier
7. 5092004 - Convertible infant restraint device
8. D322545 - Adjustable wrench
9. 5005234 - Infant car bed for a vehicle
10. 4998307 - Convertible infant restraint device
11. D313925 - Reversable adjustable wrench
12. 4967613 - Reversible adjustable wrench
13. D305750 - Juvenile walker
14. 4836601 - Folding chair
15. 4822030 - Juvenile walker