U.S. Patent 4798661_17_01_1989

Page 1 <img data-url='document/us-patent-479866117011989.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: U.S. Patent 4798661_17_01_1989' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader031.cupdf.com/reader031/viewer/2022032512/55cf9c11550346d033a87804/html5/thumbnails/1.jpg' width='140' height='200' /> Page 2 <img data-url='document/us-patent-479866117011989.html?page=2' data-page='2' class='cut-thumb lazyload' alt='Page 2: U.S. Patent 4798661_17_01_1989' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader031.cupdf.com/reader031/viewer/2022032512/55cf9c11550346d033a87804/html5/thumbnails/2.jpg' width='140' height='200' /> Page 3 <img data-url='document/us-patent-479866117011989.html?page=3' data-page='3' class='cut-thumb lazyload' alt='Page 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src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader031.cupdf.com/reader031/viewer/2022032512/55cf9c11550346d033a87804/html5/thumbnails/7.jpg' width='140' height='200' /> Page 8 <img data-url='document/us-patent-479866117011989.html?page=8' data-page='8' class='cut-thumb lazyload' alt='Page 8: U.S. Patent 4798661_17_01_1989' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader031.cupdf.com/reader031/viewer/2022032512/55cf9c11550346d033a87804/html5/thumbnails/8.jpg' width='140' height='200' /> Page 9 <img data-url='document/us-patent-479866117011989.html?page=9' data-page='9' class='cut-thumb lazyload' alt='Page 9: U.S. Patent 4798661_17_01_1989' loading='lazy' 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U.S. Patent 4798661_17_01_1989

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