u.s. patent 2,683,388, entitled "pickup device for stringed instruments" to keller, issued...
TRANSCRIPT
![Page 1: U.S. Patent 2,683,388, entitled "Pickup device for stringed instruments" to Keller, issued 1954](https://reader036.vdocuments.net/reader036/viewer/2022062906/577c7a461a28abe054948acb/html5/thumbnails/1.jpg)
7/26/2019 U.S. Patent 2,683,388, entitled "Pickup device for stringed instruments" to Keller, issued 1954.
http://slidepdf.com/reader/full/us-patent-2683388-entitled-pickup-device-for-stringed-instruments-to 1/4
![Page 2: U.S. Patent 2,683,388, entitled "Pickup device for stringed instruments" to Keller, issued 1954](https://reader036.vdocuments.net/reader036/viewer/2022062906/577c7a461a28abe054948acb/html5/thumbnails/2.jpg)
7/26/2019 U.S. Patent 2,683,388, entitled "Pickup device for stringed instruments" to Keller, issued 1954.
http://slidepdf.com/reader/full/us-patent-2683388-entitled-pickup-device-for-stringed-instruments-to 2/4
![Page 3: U.S. Patent 2,683,388, entitled "Pickup device for stringed instruments" to Keller, issued 1954](https://reader036.vdocuments.net/reader036/viewer/2022062906/577c7a461a28abe054948acb/html5/thumbnails/3.jpg)
7/26/2019 U.S. Patent 2,683,388, entitled "Pickup device for stringed instruments" to Keller, issued 1954.
http://slidepdf.com/reader/full/us-patent-2683388-entitled-pickup-device-for-stringed-instruments-to 3/4
![Page 4: U.S. Patent 2,683,388, entitled "Pickup device for stringed instruments" to Keller, issued 1954](https://reader036.vdocuments.net/reader036/viewer/2022062906/577c7a461a28abe054948acb/html5/thumbnails/4.jpg)
7/26/2019 U.S. Patent 2,683,388, entitled "Pickup device for stringed instruments" to Keller, issued 1954.
http://slidepdf.com/reader/full/us-patent-2683388-entitled-pickup-device-for-stringed-instruments-to 4/4