Frédéric-Marie Piret

Frédéric-Marie Piret (born ?) was an aero inventor, French, though possibly Belgian, associated via patent agent Douau de Lucy with the address 20 rue du Helder, Paris, Seine, France.

Patents whose inventor or applicant is Frédéric-Marie Piret

• Patent BE-1855-F-M-P C-A L-d-C (English title: manner of preventing explosions causes by hydrogen protocarbon, Filing date: 1855-03-01)
• Patent FR-1855-22979 (English title: manner of preventing explosions causes by hydrogen protocarbon, Supplementary to patent: Patent BE-1855-F-M-P C-A L-d-C, Filing date: 1855-03-27)

References

• Advanced Research page of INPI website

http://bases-brevets19e.inpi.fr/index.asp?page=rechercheAvancee

• inpi.fr Original of French patent making reference hereto