Four wheel tandem trolley

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Description

FIG. 1 is a front elevational view of a four wheel tandem trolley showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
876486 January 1908 Pfaffenbach
Other references
  • Material Flow Inc. Catalog No. 762, .COPYRGT.1976, p. 86, Trolley, bottom left side of page.
Patent History
Patent number: D261750
Type: Grant
Filed: Mar 15, 1979
Date of Patent: Nov 10, 1981
Inventor: John F. Miller (Howell, MI)
Primary Examiner: James M. Gandy
Law Firm: Burton, Parker & Schramm
Application Number: 6/20,663
Classifications
Current U.S. Class: Element Or Attachment (D34/35)
International Classification: D1205;