SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Title:
Signal-operator for spreading rails
Document Type and Number:
United States Patent 1383093
Inventors:
Finch, Clifford L.
Plaque It!
Sponsored by:
Flash of Genius
Publication Date:
06/28/1921
View Patent Images:
Images are available in PDF form when logged in. To view PDFs,
Login
or
Create Account (Free!)
Export Citation:
Click for automatic bibliography generation
Assignee:
Finch, Clifford L.
Primary Class:
246/121
International Classes:
B61L23/04
;
B61L23/00