Average Co-Inventor Count = 1.00
ph-index = 5
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. Other (2 from 832,718 patents)
2. Spectrum Products, Inc. (1 from 17 patents)
3. The Cheney Company (1 from 6 patents)
4. Spectrum Distributors, Inc. (1 from 1 patent)
5. Industrial Design & Mfg., Inc. (1 from 1 patent)
6 patents:
1. 6378659 - Swimming pool lift
2. 6170612 - Swimming pool lift
3. 5572921 - Lift for the handicapped
4. 5218727 - Above ground spa lift for the handicapped
5. 4283803 - Process for immersing in a swimming pool disabled persons using a
6. 4141089 - Swimming pool apparatus for the handicapped