Average Co-Inventor Count = 3.00
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. International Business Machines Corporation (1 from 164,197 patents)
2. Rubbermaid Health Care Products, Inc. (1 from 8 patents)
2 patents:
1. D382465 - Caster cover
2. D282363 - Telephone handset