Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
Patents for Frederick Vietteger
Patents 1 - 1 of 1
Number
Date
Patentee
Title
Type
1,411,493
Apr. 04, 1922
J. Hardt
Compass for Drawing Ellipses
compasses
Toggle print mode
Show pictures
Copyright © 2002-2024 - DATAMP
