Combination sweeper-scrubber floor machine

- Tennant Company
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Description

FIG. 1 is a front perspective view of a combination sweeper scrubber floor machine showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D202170 September 1965 Little et al.
D206576 January 1967 Knapp et al.
D255356 June 10, 1980 Block
D263475 March 23, 1982 Block
4210978 July 8, 1980 Johnson et al.
4348783 September 14, 1982 Swanson et al.
Patent History
Patent number: D273621
Type: Grant
Filed: Sep 7, 1982
Date of Patent: Apr 24, 1984
Assignee: Tennant Company (Minneapolis, MN)
Inventors: Donald J. Haub (Champlin, MN), Alfred D. Carlson (Robbinsdale, MN)
Primary Examiner: Catherine E. Kemper
Assistant Examiner: Lynn Wilder
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 6/416,159