Average Co-Inventor Count = 3.65
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. Sauder Manufacturing Company (4 from 37 patents)
2. R. M. Wieland Company (1 from 5 patents)
3. Sauder Manufactering Co. (1 from 1 patent)
4. Wieland Furniture Company, Inc. (1 from 1 patent)
7 patents:
1. RE48344 - Sleep system
2. 9314104 - Sleep system mechanism
3. 9125496 - Sleep system
4. 9027178 - Sleep system
5. 8899687 - Puzzle seating
6. 6595592 - Article of furniture
7. 5904401 - Recliner chair