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W. & L. E. Gurley Instrument Patents:

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Patent Front Page

 
Patent #205,481
Submitted By: William Gurley
Date: July 2, 1878

History:

This is patent #205,481 for the invention of the improved extension leg tripod.

       
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Patent #205,742
Submitted By: William Gurley & Lewis E. Gurley
Date: July 9, 1878

History:

This is patent #205,742 for the invention of the telescope attachment to a surveyor's compass.

       
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Patent Front Page

 
Patent #286,606
Submitted By: William Gurley & Lewis E. Gurley
Date: October 16, 1883

History:

This is patent #286,606 for the invention of the leveling instrument.

       
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Patent Front Page

 
Patent #304,313
Submitted By: Lewis E. Gurley
Date: September 2, 1884

History:

This is patent #304,313 for the improvement of the solar transit by adding the latitude level to the telescope axis.

       
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Patent Front Page

 
Patent #353,406
Submitted By: William Gurley
Date: November 30, 1886

History:

This is patent #353,406 for the improvement of the telescopic hand level.

       
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Patent Front Page

 
Patent #360,805
Submitted By: Maria K. Gurley (Executrix to William Gurley deceased)
Date: April 5, 1887

History:

This is patent #360,805 for the new & improvement of the hand level.

       
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Patent Front Page

 
Patent #1,191,936
Submitted By: Edward Arms
Date: July 25, 1916

History:

This is patent #1,191,936 for the invention of the one piece telescope support (standards) that Gurley used.  Edward Arms was an employee for Gurley for over 66 years.

       
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Patent Front Page

 
Patent #270,679
Submitted By: Robert M. Jones
Date: January 16, 1883

History:

This is patent #270,679 for the new solar attachment.  This was called the Jones latitude arc by Gurley.

Even though this is not a Gurley product it was sold by Gurley.

       
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We will be adding more patents as we find them....





 
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