Membership
Tour
Register
Log in
Erich Geiger
Follow
Person
Friesen, DT
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Variable-frequency sweep generator circuit
Patent number
3,947,724
Issue date
Mar 30, 1976
Loewe-Opta GmbH
Erich Geiger
H03 - BASIC ELECTRONIC CIRCUITRY