8 Patents
#257 in Dallas, TX
#2,278 in Texas
#35,865 in US
Digital Recorders, Inc.
Forward Citations = 206
8 inventors:
Dallas, TX, United States of America
8 inventors (with patents filed for the assignee):
Virgil D Duncan (3 out of 3 patents)
John R Rowlette, Jr (2 out of 24 patents)
William H Miller (2 out of 7 patents)
4. James D Kennedy (2 out of 7 patents)
5. Lyman Alden Copps (1 out of 1 patent)
6. John R Alpiser (1 out of 2 patents)
7. Tanya L Johnson (1 out of 1 patent)
8. Joanne D Alpiser (1 out of 1 patent)
8 patents:
#257 in Dallas, TX
#2,278 in Texas
#35,865 in US
8 inventors: