William J. H. Andrewes

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Concord, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sundial with elevated gnomon support avoiding shadow eclipse
- Patent number 8,533,963
- Issue date Sep 17, 2013
- William J. H. Andrewes
- G01 - MEASURING TESTING
Information Patent Grant
Sundial with dome and grid of light
- Patent number 8,065,808
- Issue date Nov 29, 2011
- William J. H. Andrewes
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Sundial with standard time display
- Patent number 7,114,262
- Issue date Oct 3, 2006
- William J. H. Andrewes
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
SUNDIAL WITH ELEVATED GNOMON SUPPORT AVOIDING SHADOW ECLIPSE
- Publication number 20130025141
- Publication date Jan 31, 2013
- William J.H. Andrewes
- G01 - MEASURING TESTING
Information Patent Application
SUNDIAL WITH DOME AND GRID OF LIGHT
- Publication number 20110061250
- Publication date Mar 17, 2011
- William J. H. Andrewes
- G04 - HOROLOGY
Information Patent Application
Sundial with standard time display
- Publication number 20050155236
- Publication date Jul 21, 2005
- William J.H. Andrewes
- G04 - HOROLOGY