Average Co-Inventor Count = 1.29
ph-index = 2
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. Handy Button Machine Co. (2 from 20 patents)
2. Hl Home Furnishings, Inc. (1 from 1 patent)
3 patents:
1. 12161230 - Sleeper flip furniture
2. D813572 - Slip cover for ready-to-assemble sofa
3. 8713726 - Pivoting hinge for no-tool assembly of a convertible sofa