Leonard E. Nelson
23Patents
15h-index
31Co-inventors
81Inventor score
Filing activity: Nov 1, 1979 → Dec 15, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5740534A | Method for determining available frequencies in selective call receivers | Electricity | 233 | Expired |
| US5273558A | Abrasive composition and articles incorporating same | Chemistry; Metallurgy | 170 | Expired |
| US4814763A | Paging terminal apparatus with page forwarding capability and methodology thereof | Electricity | 150 | Expired |
| US4928096A | Paging terminal apparatus with message storage and retransmission capability and method therefor | Electricity | 139 | Expired |
| US5919549A | Abrasive articles and method for the manufacture of same | Emerging Cross-Sectional Technologies | 111 | Expired |
| US4951044A | Paging terminal apparatus with user selectable page forwarding capability and methodology therefor | Physics | 102 | Expired |
| US4885577A | Paging system for providing a data message and a voice message to a unique address of a paging receiver | Electricity | 66 | Expired |
| US4331453A | Abrasive article | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5508695A | Method and apparatus for identifying messages associated with a sports team in a communication system | Physics | 46 | Expired |
| US5168493A | Time division multiplexed selective call system | Electricity | 39 | Expired |
| US5355126A | Selective call system interactive with a wide area selective call system | Electricity | 26 | Expired |
| US5535428A | Method and apparatus for selectively retaining messages received by a radio receiver based upon message content | Physics | 24 | Expired |
| US6108544A | Method and apparatus for partial coverage zone selective call communication | Electricity | 22 | Expired |
| US4756010A | Asynchronous/synchronous data receiver circuit | Electricity | 17 | Expired |
| US5347268A | Data handler for handling data having multiple data formats | Electricity | 15 | Expired |
| US5371737A | Selective call receiver for receiving a multiphase multiplexed signal | Electricity | 14 | Expired |
| US4868563A | Microcomputer controlled display backlight | Physics | 14 | Expired |
| US5309154A | Selective call receiver with a universal synchronization code operating mode | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5274579A | Digital tone detector | Physics | 10 | Expired |
| US5878035A | Method and apparatus for mixing protocols in a radio messaging system | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4590618A | Receiver having reference voltage stabilization circuitry | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6515971B2 | Method and apparatus to enable background scanning | Electricity | 3 | Expired |
| US5923266A | Method for dynamically changing control frames for selective call receiving devices | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.