Layout table and coordinate reader
United States Patent 3165834

Inventors:
Benton, Robert C.
Publication Date:
01/19/1965
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Assignee:
CT CIRCUITS INC
Primary Class:
33/1R
Other Classes:
33/503, 33/1M
International Classes:
A47B97/02; A47B97/00
US Patent References:
2198757Means for determining coordinates
2298875Coordinate measuring machine
2305167Marking device
2397109Device for precision drawing
2445533Variable fraction plug
2565608Braille writing device
2812580Locator pin
2879599Locator pin
2889757Machine tool vise
2941303Universal locating fixture
2999317Drafting apparatus
Foreign References:
GB541880A