U.S. patent number D340,207 [Application Number 07/490,945] was granted by the patent office on 1993-10-12 for exterior surface of a double vented hatch cover. This patent grant is currently assigned to Salco Products, Inc.. Invention is credited to Francis R. Schultz.
United States Patent | D340,207 |
Schultz | October 12, 1993 |
Inventors: | Schultz; Francis R. (Woodridge, IL) |
---|---|
Assignee: | Salco Products, Inc.
(Romeoville, IL) |
Appl. No.: | 07/490,945 |
Filed: | March 8, 1990 |
Current U.S. Class: | D12/43 |
Field of Search: | ;D12/43 ;105/247,377 ;220/372,374,371,314 |
4127216 | November 1978 | Martin, Jr. et al. |
4315579 | February 1982 | Martin, Jr. |
4461219 | July 1984 | Bateson |
4607760 | August 1986 | Roche |
4609126 | September 1986 | Janda |
4644874 | February 1987 | Kleykamp |
4690070 | September 1987 | Miller |
4819830 | April 1989 | Schultz |
4889056 | December 1989 | Stewart |
4944233 | July 1990 | Dugge et al. |
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