Title:
Door-closing mechanism
Document Type and Number:
United States Patent 2763888
Inventors:
Ernst, Billeter
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Publication Date:
09/25/1956
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Assignee:
Ernst, Billeter
Primary Class:
Other Classes:
292/144, 292/167
International Classes:
E05F3/06; E05F3/00
US Patent References:
| 1920868 | Latch operating means |
Foreign References:
| DE372620C |