SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Scraping device
United States Patent 1446420
Inventors:
Marie, Goubier Jean
Publication Date:
02/20/1923
View Patent Images:
Download PDF 1446420
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Marie, Goubier Jean
Primary Class:
15/215
International Classes:
A47L23/24
;
A47L23/00