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| Inventor(s) | Bernard L. Lawrence · |
| Assignee(s) |
La Donna Lawrence ·
|
| Attorney/Agent(s) | Kokjer, Kircher, Bradley, Wharton, Bowman & Johnson · |
| Primary Examiner | Reinaldo P. Machado · |
| Application Number | US6257640 |
| Filing date | 04/27/1981 |
| Issue date | 12/20/1983 |
| Predicted expiration date | 04/27/2001 |
| U.S. Classifications | 182/50 · 182/51 · |
| International Classifications | A62B 102 · |
| Kind Code | A |
| International Classifications | 18212-14;142;141;50;51;40;82 · |
| Document Number | Assignees | Inventors | Issue/Pub Date |
|---|---|---|---|
| US480759 | Baker | Aug 1892 | |
| US1027724 | Haney | May 1912 | |
| US1396489 | WILLIAMS JOSEPH T C | Williams | Nov 1921 |
| US1609762 | JOHN MORGAN | Morgan | Dec 1926 |
| US2492800 | DEWEY AND ALMY CHEM COMP | Isom | Dec 1949 |
| US3273651 | Andrews | Sep 1966 | |
| US3277724 | BOEING CO | Lundeberg | Oct 1966 |
| US3393769 | Springer | Jul 1968 | |
| US3931868 | SMITH JR CHARLES P | Smith | Jan 1976 |
| US3972386 | Lawrence Peska Associates, Inc. | Hayslip | Aug 1976 |
| US4195694 | Gizzarelli | Apr 1980 |
| Document Number | Assignees | Inventors | Issue/Pub Date |
|---|---|---|---|
| DE2733801 | WUERTH ADOLF SCHRAUBEN | Mar 1943 |
| Document Number | Assignee | Inventors | Issue/Pub Date |
|---|---|---|---|
| ES2257212 | PEYDRO DUCLOS IGNACIO | PEYDRO DUCLOS IGNACIO | Jul 2006 |
| ES2260968 | PORRAS VILA F JAVIER | PORRAS VILA F JAVIER | Nov 2006 |
| US7156203 | VANLUFFELEN LODEWIJK | Lodewijk Vanluffelen | Jan 2007 |
| US7621553 | R-T Ltd. | Rami Shmueli | Nov 2009 |
| US6769493 | Wetzone Technologies, LLC | Raoul G. Fima et al. | Aug 2004 |
| US6874263 | Kabushiki Kaisha Appukoporeshon | Masao Ohmuku | Apr 2005 |
| US4932606 | CONN SIDNEY H | Sidney H. Conn | Jun 1990 |
| US5449130 | Mary K. Huntington | Sep 1995 | |
| US5042748 | CONN SIDNEY H | Sidney H. Conn | Aug 1991 |
| US5813627 | Mary K. Huntington | Sep 1998 | |
| US6148551 | Hilton J. Glass | Nov 2000 | |
| EP0300746 | Harry Brant | Harry Brant | Jan 1989 |
| EP0460909 | Sidney H. Conn | Sidney H. Conn | Dec 1991 |
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