Sergey V. KRUGLOV

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Verdun, CA

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable spring device for walking and running
- Patent number 9,107,476
- Issue date Aug 18, 2015
- Sergey V. Kruglov
- A43 - FOOTWEAR
Information Patent Grant
Adjustable spring device for walking and running
- Patent number 8,371,994
- Issue date Feb 12, 2013
- Sergey V. Kruglov
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE SPRING DEVICE F0R WALKING AND RUNNING
- Publication number 20140173931
- Publication date Jun 26, 2014
- Sergey V. KRUGLOV
- A43 - FOOTWEAR
Information Patent Application
Adjustable spring device for walking and running
- Publication number 20120115687
- Publication date May 10, 2012
- Sergey V. Kruglov
- A63 - SPORTS GAMES AMUSEMENTS