Number | Name | Date | Kind |
---|---|---|---|
D302265 | Siegner et al. | Jul 1989 | |
D302524 | Siegner et al. | Sep 1989 | |
4159402 | DeGraauw et al. | Jun 1979 | |
4639557 | Butler et al. | Jan 1987 | |
4670898 | Pierce et al. | Jun 1987 | |
4691336 | Durston | Sep 1987 | |
4707848 | Durston et al. | Nov 1987 | |
4825392 | Freeman | Apr 1989 | |
4837811 | Butler et al. | Jun 1989 | |
4843620 | Hagedorn | Jun 1989 | |
4922516 | Butler et al. | May 1990 | |
4949290 | Pike et al. | Aug 1990 | |
5025466 | Hilligoss et al. | Jun 1991 | |
5081670 | Reum | Jan 1992 | |
5105438 | Ackroff et al. | Apr 1992 | |
5121342 | Szymborski et al. | Jun 1992 |
Entry |
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Specialized Products Co., 1988 Fall Catalog, pp. 128, 132, 133, 135. |
Telephony advertisement for "Terminal System 24", Sep. 1988, pp. 24-25. |
Teleconnect, "Testing Equipment", Sep. 1989, pp. 78, 80, 83-88, 90. |
Sivula, C., "GTE's New Line on Customer Service", Datamation, May 1, 1990. |
"Dynatel 745 Product Profile" Specifications, 3M Corporation. |
"965 Subscriber Loop Analyzer" Specifications, 3M Corporation. |
"Plantronics Wilcom Model T136BSB", Product Brochure. |