Title:
Self cleaning, sorting, or sifting machine
United States Patent 1755336


Inventors:
Ryder, Frank P.
Application Number:
US25281928A
Publication Date:
04/22/1930
Filing Date:
02/08/1928
Assignee:
Ryder, Frank P.
Primary Class:
Other Classes:
209/396, 209/669, 460/123
International Classes:
A23N15/10
View Patent Images: