Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
All Patents in class 137/533
Patents 1 - 2 of 2
Number
Date
Patentee
Title
Type
344,620
Jun. 29, 1886
J.G. Blount
Check-valve
420,887
Feb. 04, 1890
F. Phillips
Escape-valve for dash-pots
Toggle print mode
Show pictures
Copyright © 2002-2013 - DATAMP
