44 Donald L. Schilling patents assigned to Interdigital.
1) 6,014,373 Spread spectrum CDMA subtractive interference canceler system (January 11, 2000)
2) 6,011,789 Broadband CDMA overlay system and method
(January 4, 2000)
3) 6,003,770 Wireless telephone debit card system and method (12/21/1999)
4) 5,974,039 CDMA communications and geolocation system and method (10/26/1999)
5) 5,926,502 Phased array spread spectrum system and method
(7/20/1999)
6) 5,926,465 Spread-spectrum changeable base station
(7/20/1999)
7) 5,881,094 Frequency hopping code division multiple access system and method (3/9/1999)
8) 5,862,155 Trellis coded FM digital communications system and method (1/19/1999)
9) 5,740,206 Adaptive nonlinear equalizer for digital FM signals (4/14/1998)
10) 5,719,852 Spread spectrum CDMA subtractive interference canceler system (2/17/1998)
11) 5,703,874 Broadband CDMA overlay system and method
(December 30, 1997)
12) 5,663,956 CDMA communications and geolocation system and method (September 2, 1997)
13) 5,661,734 Trellis coded FM digital communications system and method (August 26, 1997)
14) 5,659,572 Phased array spread spectrum system and method (August 19, 1997)
15) 5,657,343 Frequency hopping code division multiple access system and method (August 12, 1997)
16) 5,633,889 Phased array spread spectrum system and method (May 27, 1997)
17) 5,631,921 Adaptive power control for a spread spectrum communications system and method (May 20, 1997)
18) 5,610,906 Spread-spectrum changeable base station
(March 11, 1997)
19) 5,588,020 Spread spectrum CDMA communications system
(December 24, 1996)
20) RE35,402 CDMA/TDMA spread-spectrum communications system and method (*December 17, 1996)
21) 5,553,062 Spread spectrum CDMA interference canceler system and method (September 3, 1996)
22) 5,535,238 Spread spectrum adaptive power control communications system and method (July 9, 1996)
23) 5,506,864 CDMA communications and geolocation system and method (April 9, 1996)
24) 5,469,468 Overlaying spread-spectrum satellite system and method (*November 21, 1995)
25) 5,461,632 Trellis coded FM digital communications system and method (*October 24, 1995)
26) 5,459,759 Frequency hopping code division multiple access system and method (October 17, 1995)
27) 5,422,908 Phased array spread spectrum system and method (June 6, 1995)
28) 5,420,896 Synchronous spread-spectrum communications system and method (*May 30, 1995)
29) 5,410,568 CDMA/TDMA spread-spectrum communications system and method (April 25, 1995)
30) 5,377,223 Notch filtering a spread spectrum signal using fourier series coefficients (December 27, 1994)
31) 5,367,533 Dynamic capacity allocation CDMA spread spectrum communications (*November 22, 1994)
32) 5,365,544 CDMA communications and geolocation system and method (November 15, 1994)
33) 5,363,403 Spread spectrum CDMA subtractive interference canceler and method (November 8, 1994)
34) 5,359,182 Wireless telephone debit card system and method (October 25, 1994)
35) 5,351,249 Trellis coded FM digital communications system and method (September 27, 1994)
36) 5,345,467 CDMA cellular hand-off apparatus and method
(*September 6, 1994)
37) 5,299,226 Adaptive power control for a spread spectrum communications system and method (*March 29, 1994)
38) 5,289,497 Broadcast synchronized communication system
(February 22, 1994)
39) 5,274,665 Polyopoly overlapping spread spectrum communication system and method (*December 28, 1993)
40) 5,263,045 Spread spectrum conference call system and method (*November 16, 1993)
41) 5,260,967 CDMA/TDMA spread-spectrum communications system and method (*November 9, 1993)
42) 5,228,056 Synchronous spread-spectrum communications system and method (*July 13, 1993)
43) 5,228,053 Spread spectrum cellular overlay CDMA communications system (July 13, 1993)
44) 5,224,120 Dynamic capacity allocation CDMA spread spectrum communications (June 29, 1993)
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