3583 - 1843 - DEVISME BREVET PARIS for King Louis Philippe

4044 . 1845 - Ferdinand Claudin Paris

5196 - 1848 - Arquebusier Fleurey Vesoul

6084 - 1850


A few more datapoints but he seems to hold around 400/year in production but could dip into the 300s / year in the 1840s.

Cheers,

Raimey
rse