Portable numerical stereo compiler or the like

- Keuffel & Esser Company
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Description

FIG. 1 is a left front perspective view of a portable 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 Helava
3678582 July 1972 Helava
3729830 May 1973 Blachut
3750293 August 1973 Forrest
Other references
  • Zeiss Aerotopo Brochure #ZA215e-9/14/55-p. 3-Mirror Stereo-Scope.
Patent History
Patent number: D251196
Type: Grant
Filed: May 10, 1977
Date of Patent: Feb 27, 1979
Assignee: Keuffel & Esser Company (Morristown, NJ)
Inventor: H. Dell Foster (San Antonia, TX)
Primary Examiner: Nelson C. Holtje
Attorney: Lionel N. White
Application Number: 5/795,573
Classifications
Current U.S. Class: D16/48
International Classification: D1606;