Lowrance; Darrell J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lowrance; Darrell J..The latest application filed is for "sonar transducer assembly for fishing boats".
- Lowrance; Darrell J. - Tulsa OK
| Patent | Date |
|---|---|
| Sonar transducer assembly for fishing boats Grant 4,907,208 - Lowrance , et al. March 6, 1 | 1990-03-06 |
| Sonar fish finder apparatus providing split-screen display Grant 4,879,697 - Lowrance , et al. November 7, 1 | 1989-11-07 |
| Light Emitting Diode Readout Grant 3,835,447 - Lowrance September 10, 1 | 1974-09-10 |
| Automatic Down Rigger Grant 3,808,731 - Lowrance May 7, 1 | 1974-05-07 |
| Pipeline Including Means Of Indicating The Existence Of And Location Of A Leak Grant 3,800,217 - Lowrance March 26, 1 | 1974-03-26 |
| Apparatus For Providing An Indication Of The Depth Of Objects In Water Grant 3,781,777 - Lowrance December 25, 1 | 1973-12-25 |
| Submerged Object Warning Apparatus For Ships Grant 3,740,705 - Lowrance June 19, 1 | 1973-06-19 |
| SEC | 0001249757 | LOWRANCE DARRELL J |
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