Numerical stereo compiler or the like

- Keuffel & Esser Company
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Description

FIG. 1 is a left front perspective view of a numerical stereo compiler or the like showing my new design, the right side being substantially a mirror image thereto;

FIG. 2 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D163355 May 1951 Bintz
D215968 November 1969 Henshaw
3116555 January 1964 Helaua
3678582 July 1972 Helaua
3729830 May 1973 Blachut
3750293 August 1973 Forrest
Other references
  • Zeiss Aerotopo Brochure #ZA215e-9/14/55-p. 3-Mirror Stereoscope.
Patent History
Patent number: D251568
Type: Grant
Filed: May 10, 1977
Date of Patent: Apr 10, 1979
Assignee: Keuffel & Esser Company (Morristown, NJ)
Inventor: H. Dell Foster (San Antonio, TX)
Primary Examiner: Nelson C. Holtje
Attorney: Lionel N. White
Application Number: 5/795,574
Classifications
Current U.S. Class: D16/48
International Classification: D1606;