Douglas I Ayerst, Malik J Khan, Morris Moore, Leonard E Nelson, Kwok K Choi: Method for determining available frequencies in selective call receivers. Motorola, Keith A Chanroo, April 14, 1998: US05740534 (192 worldwide citation)

A selective call receiver (106) has a frequency synthesizer (708) for scanning a plurality of frequencies to determine a control channel to receive a signal and a receiver (704) for receiving the signal representative of an available frequency associated with a geographic region. The signal includes ...

Leonard E Nelson, Victoria A Leonardo, Walter J Grandfield: Paging terminal apparatus with page forwarding capability and methodology thereof. Motorola, Vincent B Ingrassia, Anthony J Sarli Jr, Donald B Southard, March 21, 1989: US04814763 (134 worldwide citation)

Apparatus and method is disclosed for automatically, or by selective response, call forwarding a message to one or more system pagers which have an acknowledge back capability.

Victoria A Leonardo, Leonard E Nelson: Paging terminal apparatus with message storage and retransmission capability and method therefor. Motorola, Philip P Macnak, Vincent B Ingrassia, Anthony Sarli Jr, May 22, 1990: US04928096 (124 worldwide citation)

Apparatus and method is disclosed for storing and subsequently transmitting later messages for system pagers with acknowledge back capability that nevertheless fail to acknowledge back in the first instance. Addresses are retransmitted for pagers initially failing to acknowledge back on a continuous ...

Leonard E Nelson, Loc X Van: Abrasive composition and articles incorporating same. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Jeffrey L Wendt, December 28, 1993: US05273558 (94 worldwide citation)

Bonded abrasive compositions, articles incorporating same, and methods of making the compositions and articles are presented, the compositions comprising abrasive particles dispersed throughout and adhered within an elastomeric polyurea matrix. The polyurea matrix is formed from the polymerization r ...

Leonard E Nelson, Philip P Macnak: Paging terminal apparatus with user selectable page forwarding capability and methodology therefor. Motorola, Philip P Macnak, Vincent B Ingrassia, Anthony Sarli Jr, August 21, 1990: US04951044 (89 worldwide citation)

A paging receiver having acknowledge back capability is provided with the capability to request a received message to be forwarded to an alternate paging receiver in a paging system after having received its address and associated message. The paging receiver includes an entry device for selecting t ...

Leonard E Nelson: Paging system for providing a data message and a voice message to a unique address of a paging receiver. Motorola, William E Zitelli, Vincent B Ingrassia, December 5, 1989: US04885577 (62 worldwide citation)

A paging system is provided for transferring data and voice messages to a unique address of a paging receiver. The system includes a paging controller, an encoder, a transmitter, and a paging receiver. The paging controller receives voice and data information from an entry device. The encoder, coupl ...

Loc X Van, Eugene J Miller, Leonard E Nelson: Abrasive articles and method for the manufacture of same. Minnesota Mining and Manufacturing Company, Daniel R Pastirik, Scott A Bardell, July 6, 1999: US05919549 (51 worldwide citation)

Abrasive articles and a method for the manufacture of the articles are described. The articles comprise a backing having a first major surface and a second major surface; a first resin layer comprising a first hardened resin, the first resin layer extending over the first major surface of the backin ...

Lloyd W Legacy, Thomas R McAvoy, Leonard E Nelson: Abrasive articles. Minnesota Mining and Manufacturing Company St Paul MI, Kinney Alexander Sell Steldt & Delahunt, September 5, 1972: US3688453 (44 worldwide citation)

Abrasive belts suitable for offhand and automated article finishing provide a uniform finish without lapping or parting lines. The belts comprise a lofty non-woven web securely needle tacked to a woven backing and impregnated with resin and abrasive.

Leonard E Nelson, Gerald R King, Thomas F Holmes: Method and apparatus for identifying messages associated with a sports team in a communication system. Motorola, Kelly A Gardner, April 16, 1996: US05508695 (41 worldwide citation)

A communication system (100) for identifying messages concerning particular sports teams includes a terminal (105) for transmitting a message about a sports event as a radio frequency signal. A radio receiver (110) receives and decodes the radio frequency signal to recover therefrom the message. The ...

Leonard E Nelson, Robert J Schwendeman, Michael J DeLuca, David F Willard, Jerry L A Sandvos, William V Braun: Time division multiplexed selective call system. Motorola, Daniel R Collopy, William E Koch, Thomas G Berry, December 1, 1992: US05168493 (37 worldwide citation)

A signalling protocol comprising a plurality of interleaved phases is transmitted at various baud rates, the various baud rates being multiples of a base baud rate. The signalling protocol allows a selective call receiver to decode at an operating baud rate equivalent to the base baud rate irrespect ...