Membership
Tour
Register
Log in
3681916
Follow
Information
Patent Grant
3681916
References
Source
Patent Number
3,681,916
Date Filed
Not available
Date Issued
Tuesday, August 8, 1972
52 years ago
CPC
G04C21/28 - by closing a contact to put into action electro-acoustic means
US Classifications
368 - Horology: time measuring systems or devices
340 - Communications: electrical
968 - Horology
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Text data is not available. Click on
here
to see the original data.