William Hersey

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Corte Madera, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Laser-based alignment tool
- Patent number 7,497,018
- Issue date Mar 3, 2009
- William Hersey
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for producing a reference plane
- Patent number 6,938,350
- Issue date Sep 6, 2005
- PLS - Pacific Laser Systems
- William Hersey
- G01 - MEASURING TESTING
Information Patent Grant
Laser-based tool for indicating level, plumb and square
- Patent number 6,763,595
- Issue date Jul 20, 2004
- PLS - Pacific Laser Systems
- William Hersey
- G01 - MEASURING TESTING
Information Patent Grant
Portable laser device for alignment tasks
- Patent number 5,144,487
- Issue date Sep 1, 1992
- Pacific Laser
- William H. Hersey
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Laser-based alignment tool
- Publication number 20070271800
- Publication date Nov 29, 2007
- William Hersey
- G01 - MEASURING TESTING