U.S. patent number D328,372 [Application Number 07/671,297] was granted by the patent office on 1992-07-28 for suction cleaner upper portion. This patent grant is currently assigned to The Hoover Company. Invention is credited to Milton G. Kieft.
United States Patent | D328,372 |
Kieft | July 28, 1992 |
Inventors: | Kieft; Milton G. (North Canton, OH) |
---|---|
Assignee: | The Hoover Company (North
Canton, OH) |
Appl. No.: | 07/671,297 |
Filed: | March 18, 1991 |
Current U.S. Class: | D32/31 |
Field of Search: | ;D32/22,32-33 ;15/350,351,320,321,322,412 |
D198436 | June 1964 | Gantz |
D299176 | December 1988 | Bowerman et al. |
D309806 | August 1990 | Chieda et al. |
D314260 | January 1991 | Lee |
D316167 | April 1991 | Petralia et al. |
5014388 | May 1991 | Schiazza et al. |
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