Title:
Dust collector or separator
Document Type and Number:
United States Patent 1766237
Inventors:
John, Whitmore
Plaque It!
|
Publication Date:
06/24/1930
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login or
Create Account (Free!)
Export Citation:
Assignee:
DAVIDSON & COMPANY LTD
Primary Class:
Other Classes:
209/722
International Classes:
B04C5/12; B04C5/00