6 Utility Patents
#2 in Galien, MI
#14,085 in Michigan
#336,323 in US
#694,733 in the World
Forward Citations = 64
Company Filing History:
Electro-voice, Inc.
Other
Printek, Inc.
4. 1 out of 476
Zenith Radio Corporation
5. 1 out of 1
Printck, Inc.
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