CG

Claude Grossiord

SD St Dupont: 14 patents #1 of 20Top 5%
Overall (All Time): #301,387 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7337541 Automatic clasp for wristwatch strap Jean-Louis Bohrer, Frédéric Nicolet 2008-03-04
D309525 Key-ring 1990-07-31
D304976 Key-ring 1989-12-12
D303997 Key-ring 1989-10-17
D302700 Clip for writing instrument 1989-08-08
4809551 Device for detecting the liquid level in a tank, particularly a lighter tank and tank provided with such device 1989-03-07
4787329 Device for detection of imminent gas depletion of a liquified gas tank and gas lighter equipped with this device 1988-11-29
D297021 Fountain pen 1988-08-02
D297020 Ball point pen 1988-08-02
D297022 Ball point pen 1988-08-02
D295985 Ball point pen 1988-05-31
4630937 Watches or the like equipped with a display device of the date type 1986-12-23
4588374 Device for controlling the flowrate of a liquefied-gas lighter Honore Calgaro 1986-05-13
4544297 Ball point pen venting 1985-10-01
4484888 Adjustable expander-evaporator and variable maximum flow limiter for a liquified gas lighter Jean P. Molliex 1984-11-27
4413530 Device for measuring and monitoring gas flowrates Laurent J. Guadagnin 1983-11-08