DS

Douglas A. Spencer

AT AT&T: 2 patents #106 of 1,042Top 15%
📍 Boulder, CO: #21 of 260 inventorsTop 9%
🗺 Colorado: #140 of 1,784 inventorsTop 8%
Overall (1994): #35,084 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5305308 Wireless access telephone-to-telephone network interface architecture Michael J. English, Charles Y. Farwell, Michael Lee Hearn, Richard M. Heidebrecht, David M. Kissel +6 more 1994-04-19
5278892 Mobile telephone system call processing arrangement Brian D. Bolliger, Talmage P. Bursh, Jr., Kelvin Ho, Alan Stuart Mulberg, LaJeana N. Roberts +3 more 1994-01-11