Title:
SOUND PICK-UP DEVICE
United States Patent 3454703
Inventors:
Rose, Jack Edward
Application Number:
US3454703DA
Publication Date:
07/08/1969
Filing Date:
01/16/1967
Assignee:
Jack, Edward Rose
Primary Class:
Other Classes:
84/384, 984/139, 984/355
International Classes:
G10D9/00; G10H3/00; (IPC1-7): G10H3/00
View Patent Images: