United States Patent 3207406
Inventors:
Bowman, Theodore J.
Publication Date:
09/21/1965
Assignee:
Automated, Building Components
Other Classes:
100/231, 227/130, 83/639.100, 100/264, 100/269.010, 100/913, 83/623
International Classes:
B27F7/15; B27F7/00