Pipe former and layer
United States Patent 2324760

Inventors:
Brulotte, Joseph E.
Publication Date:
07/20/1943
View Patent Images:
Download PDF 2324760 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Brulotte, Joseph E.
Primary Class:
405/155
Other Classes:
425/59
International Classes:
F16L1/038; F16L1/028