Average Co-Inventor Count = 2.00
ph-index = 1
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. Olympia Werke Kg (1 from 1 patent)
1 patent:
1. 3985220 - Tabulator apparatus for a typewriter carriage moving in steps of