Stephen Perenich

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Betterdorf, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Energy-return shoe system
- Patent number 9,032,646
- Issue date May 19, 2015
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Grant
Energy-return shoe system
- Patent number 8,627,582
- Issue date Jan 14, 2014
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Grant
Energy-return shoe system
- Patent number 8,627,583
- Issue date Jan 14, 2014
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Grant
Pivoting sole energy-return shoe system
- Patent number 8,171,657
- Issue date May 8, 2012
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Grant
Simplified energy-return shoe system
- Patent number 7,950,166
- Issue date May 31, 2011
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Grant
Pivoted energy-return shoe system
- Patent number 7,913,422
- Issue date Mar 29, 2011
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Grant
Energy-return shoe system
- Patent number 7,905,033
- Issue date Mar 15, 2011
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Grant
Energy-return shoe system with simplified toe mechanism
- Patent number 7,900,377
- Issue date Mar 8, 2011
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Grant
Shoe suspension system
- Patent number 7,290,354
- Issue date Nov 6, 2007
- Stephen Perenich
- A43 - FOOTWEAR

Patents Applicationslast 30 patents

Information Patent Application
Energy-Return Shoe System
- Publication number 20130125422
- Publication date May 23, 2013
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Application
ENERGY-RETURN SHOE SYSTEM
- Publication number 20110162231
- Publication date Jul 7, 2011
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Application
ENERGY-RETURN SHOE SYSTEM
- Publication number 20110119953
- Publication date May 26, 2011
- Stephen Perenich
- A43 - FOOTWEAR
Information Patent Application
Shoe suspension system
- Publication number 20050005472
- Publication date Jan 13, 2005
- Stephen Perenich
- A43 - FOOTWEAR