KEYSTONE
USPTO Trademark Record · Serial No. 73206068
Trademark details
It was initially claimed by W. & M. Enterprises, Inc. on 19790305.
That brand applies to the following goods and services:Audio Equipment for Home Use and for Use in Vehicles-Namely, Radios, Stereo Receivers, Speakers, Police Scanners, Cassettes, Citizen's Band Transmitters and Receivers, Head Phones, Connector Cables, Microphones, Antennas, and Amplifiers.
Currently that trademark is represented by trademark attorney(s): Spencer & Kaye.
You can learn more about that trademark on the USPTO website: View the USPTO record
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