Search
Images
Maps
Play
YouTube
News
Gmail
Drive
More
»
Advanced Patent Search
|
Plain text
|
Web History
|
Sign in
Advanced Patent Search
Patents
www.google.com
http://www.google.com/patents/US635401?utm_source=gb-gplus-share
Patent US635401 - EXTENSION-PLATFORM
EXTENSION-PLATFORM
GEORGE E. SEYMOUR
Overview
Abstract
Drawings
Description
Claims
Patent number
: 635401
Filing date
: Aug 5, 1899
Issue date
: Oct 24, 1899
Plain text
PDF