Jump to content
Main menu
Main menu
move to sidebar
hide
Navigation
Main Page
Community portal
Central discussion
Recent changes
Subject index
Authors
Random work
Random author
Random transcription
Help
Search
Search
Appearance
Donate
Create account
Log in
Personal tools
Donate
Create account
Log in
Pages for logged out editors
learn more
Contributions
Talk
Category
:
Patent class 450
Add languages
Add links
Category
Discussion
English
Read
Edit
View history
Tools
Tools
move to sidebar
hide
Actions
Read
Edit
View history
General
What links here
Related changes
Special pages
Permanent link
Page information
Get shortened URL
Download QR code
Print/export
Download as PDF
Printable version
In other projects
Appearance
move to sidebar
hide
Help
From Wikisource
Pages in category "Patent class 450"
The following 7 pages are in this category, out of 7 total.
U
United States patent 803685
United States patent 849136
United States patent 866869
United States patent 903073
United States patent 956957
United States patent 991315
United States patent number:820972
Category
:
United States patents
