ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,672, issued on Dec. 16, was assigned to PARMIGIANI FLEURIER S.A (Fleurier, Switzerland).
"Islamic Hijiri calendar" was invented by Michel Parmigiani (Fleurier, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an Islamic Hijiri calendar for a mechanical clockwork movement comprising a 30-position date indicator arranged to be driven by a date-driving mechanism and to engage with a large rocker (7). A month control mechanism is arranged to differentiate between the months with 29 days and those with 30 days. A year control mechanism is arranged to differentiate between an abundant year and a common year. During a com...