Gratien le sieur
Jump to navigation
Jump to search
French patent agent Gratien le sieur was recorded as being at Paris, rue Pixéricourt, 28. There is also an inventor listed simply as "Gratien". There is a fair chance of the inventor acting later as a patent agent.
File:FR-1881-142811.jpg Info from CdB 1881
Patents for which Gratien le sieur was the patent agent
- Patent FR-1881-142811 (Inventors: Crespin, English title: New means to refill and keep in good condition ascensional force of an aerostat)
