Average Co-Inventor Count = 2.14
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. Royal Development Company, Inc. (3 from 8 patents)
2. Other (1 from 832,812 patents)
3. Shermag Inc. (1 from 6 patents)
5 patents:
1. 6648418 - Collapsible footrest assembly for a gliding ottoman
2. 4357049 - One-way recliner chair
3. 4337977 - Three-way handle-operated wall-avoiding recliner chair
4. 4226469 - Recliner chair with wall-avoiding action
5. 4188062 - Handle-operated wall-avoiding recliner chair with headrest