Leif Alexander Zars

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San Antonio, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
System for marking an arc segment
- Patent number 6,904,697
- Issue date Jun 14, 2005
- Leif Alexander Zars
- G01 - MEASURING TESTING
Information Patent Grant
Safety swimming pool replacement drain cover apparatus and method
- Patent number 6,817,043
- Issue date Nov 16, 2004
- Leif Alexander Zars
- E04 - BUILDING
Information Patent Grant
Safety device and method for swimming pool drain protection
- Patent number 6,341,387
- Issue date Jan 29, 2002
- Leif Alexander Zars
- E04 - BUILDING
Information Patent Grant
Main drain safety grate apparatus
- Patent number 6,170,095
- Issue date Jan 9, 2001
- Leif Alexander Zars
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
INFINITY EDGE SWIMMING POOL CLEANER AND METHOD
- Publication number 20180135324
- Publication date May 17, 2018
- Leif Zars
- E04 - BUILDING
Information Patent Application
System for marking an arc segment
- Publication number 20040163271
- Publication date Aug 26, 2004
- Leif Alexander Zars
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Safety swimming pool replacement drain cover apparatus and method
- Publication number 20040093666
- Publication date May 20, 2004
- Leif Alexander Zars
- E04 - BUILDING