Portable point of sale customer credit card encoder

- Dresser Industries, Inc.
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Description

FIG. 1 is a top plan view of the portable point of sale customer credit card encoder showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D228137 August 1973 Chadima, Jr.
D258956 April 21, 1981 Chadima, Jr.
D259200 May 12, 1981 Welch et al.
D263466 March 23, 1982 Hiraki
D275753 October 2, 1984 Mahan
3244369 April 1966 Nassimbene
3990053 November 2, 1976 Evans
3996430 December 7, 1976 Eberwein et al.
4090247 May 16, 1978 Martin
4277837 July 7, 1981 Stuckert
Patent History
Patent number: D292404
Type: Grant
Filed: Oct 5, 1984
Date of Patent: Oct 20, 1987
Assignee: Dresser Industries, Inc. (Dallas, TX)
Inventors: Thomas C. Wilson (Denver, CO), James S. Carter (Denver, CO)
Primary Examiner: Susan J. Lucas
Application Number: 6/657,929
Classifications
Current U.S. Class: D14/107; D13/32; D14/100