U.S. patent number D331,964 [Application Number 07/823,542] was granted by the patent office on 1992-12-22 for combined flow control valve and spray wand tube. Invention is credited to Robert W. Hengesbach.
United States Patent | D331,964 |
Hengesbach | * December 22, 1992 |
Inventors: | Hengesbach; Robert W. (Mentor, OH) |
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[*] Notice: | The portion of the term of this patent subsequent to April 21, 2006 has been disclaimed. |
Appl. No.: | 07/823,542 |
Filed: | January 17, 1992 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
312252 | Feb 21, 1989 | Des. 325621 | Apr 21, 1992 | ||
Current U.S. Class: | D23/245 |
Field of Search: | ;D23/223-254 ;239/396,569,575,589 |
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