Robert K. Krolopp

Person

Hoffman Estates, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
International mobile station identification method and signaling sy...
- Patent number 6,122,525
- Issue date Sep 19, 2000
- Motorola, Inc.
- Robert K. Krolopp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency allocation for subscribers of multiple telephone systems...
- Patent number 5,901,357
- Issue date May 4, 1999
- Motorola, Inc.
- Robert F. D'Avello
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and apparatus for communicating messages
- Patent number 5,848,072
- Issue date Dec 8, 1998
- Motorola, Inc.
- Mark E. Prill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for alternative radiotelephone system selection
- Patent number 5,842,122
- Issue date Nov 24, 1998
- Motorola, Inc.
- Michael J. Schellinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for locating variable control channels by a mobile station i...
- Patent number 5,809,421
- Issue date Sep 15, 1998
- Motorola, Inc.
- Keith R. Manssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
International mobile station identification method and signaling sy...
- Patent number 5,699,408
- Issue date Dec 16, 1997
- Motorola, Inc.
- Robert K. Krolopp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for determining a serving communication system...
- Patent number 5,524,278
- Issue date Jun 4, 1996
- Motorola, Inc.
- James M. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for error correction of a transmitted data word
- Patent number 5,463,646
- Issue date Oct 31, 1995
- Motorola, Inc.
- Thomas M. Dillon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for memory dialing for cellular telephones
- Patent number 5,384,825
- Issue date Jan 24, 1995
- Motorola, Inc.
- Pamela A. Dillard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for alternative radiotelephone system selection
- Patent number 5,260,988
- Issue date Nov 9, 1993
- Motorola, Inc.
- Michael J. Schellinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for error correction of a transmitted data word
- Patent number 5,241,548
- Issue date Aug 31, 1993
- Motorola, Inc.
- Thomas M. Dillon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communications device with movable element control interface
- Patent number 5,175,759
- Issue date Dec 29, 1992
- Michael P. Metroka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications device with voice recognition and movable element co...
- Patent number 5,148,471
- Issue date Sep 15, 1992
- Motorola, Inc.
- Michael P. Metroka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable telephone with power source/mode change during calls
- Patent number 5,036,532
- Issue date Jul 30, 1991
- Motorola, Inc.
- Michael P. Metroka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic new radiotelephone system registration notification
- Patent number 5,020,091
- Issue date May 28, 1991
- Motorola Inc.
- Robert K. Krolopp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selective system scan for multizone radiotelephone subscriber units
- Patent number 4,905,301
- Issue date Feb 27, 1990
- Motorola, Inc.
- Robert K. Krolopp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure transfer of radio specific data
- Patent number 4,811,377
- Issue date Mar 7, 1989
- Motorola, Inc.
- Robert K. Krolopp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Robert K. Krolopp

Person

Patents Grantslast 30 patents

International mobile station identification method and signaling sy...

Frequency allocation for subscribers of multiple telephone systems...

Method of and apparatus for communicating messages

Apparatus and method for alternative radiotelephone system selection

Method for locating variable control channels by a mobile station i...

International mobile station identification method and signaling sy...

Method and apparatus for determining a serving communication system...

Method for error correction of a transmitted data word

Method for memory dialing for cellular telephones

Apparatus and method for alternative radiotelephone system selection

Method for error correction of a transmitted data word

Communications device with movable element control interface

Communications device with voice recognition and movable element co...

Portable telephone with power source/mode change during calls

Automatic new radiotelephone system registration notification

Selective system scan for multizone radiotelephone subscriber units

Secure transfer of radio specific data