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United States Patent | D309,435 |
Sharman , et al. | July 24, 1990 |
Inventors: | Sharman; Kenneth T. (Ajax, CA), Dawson; Bruce H. (Ajax, CA) |
Assignee: |
PVC (Canada), Ltd.
(Ajax,
CA)
CCL Industries, Inc. (Toronto, CA) |
Appl. No.: | 07/012,199 |
Filed: | February 9, 1987 |
Current U.S. Class: | D9/435 ; D9/434 |
Field of Search: | D9/445,448,300,434,435 215/200,277,286,316 222/182 |
D203775 | February 1966 | Fahlstrom |
D238322 | January 1976 | Kulhanjian |
2272549 | February 1942 | Deschner |
3512682 | May 1970 | Hendrickson et al. |