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<p>Created page with &quot; +You Search Images Maps Play YouTube News Gmail Drive Calendar More lauuuer º Patents View PDFDownload PDF KEYBOARD DEVICE Julius E. Underwood et al › Overview Abstract...&quot;</p> <p><b>New page</b></p><div><br /> +You<br /> Search<br /> Images<br /> Maps<br /> Play<br /> YouTube<br /> News<br /> Gmail<br /> Drive<br /> Calendar<br /> More<br /> <br /> <br /> <br /> lauuuer º<br /> Patents<br /> View PDFDownload PDF <br /> KEYBOARD DEVICE<br /> Julius E. Underwood et al<br /> › Overview<br /> Abstract<br /> Drawings<br /> Description<br /> Claims<br /> <br /> <br /> Patent number: 3248992<br /> Filing date: Oct 6, 1964<br /> Issue date: May 3, 1966<br /> <br /> Inventors: Julius E. Underwood, Julius E. Underwood<br /> Current U.S. Classification: 84/436<br /> <br /> View patent at USPTO<br /> Search USPTO Assignment Database<br /> Referenced by<br /> Citing Patent Filing date Issue date Original Assignee Title<br /> US4205583 Dec 12, 1977 Jun 3, 1980 CBS Inc. Keyboard construction for pianos<br /> US4418605 Jun 25, 1980 Dec 6, 1983 Pratt-Read Corporation Keyboard for musical instrument<br /> US7541532 Oct 3, 2006 Jun 2, 2009 Yamaha Corporation Key structure and keyboard apparatus<br /> US7652207 May 5, 2008 Jan 26, 2010 Yamaha Corporation Key structure and keyboard apparatus<br /> Drawings<br /> <br /> Drawings<br /> Google Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send Feedback<br /> ©2012 Google <br /> +You<br /> Search<br /> Images<br /> Maps<br /> Play<br /> YouTube<br /> News<br /> Gmail<br /> Drive<br /> Calendar<br /> More<br /> <br /> <br /> <br /> lauuuer º<br /> Patents<br /> View PDFDownload PDF <br /> KEYBOARD DEVICE<br /> Julius E. Underwood et al<br /> › Overview<br /> Abstract<br /> Drawings<br /> Description<br /> Claims<br /> <br /> <br /> Patent number: 3248992<br /> Filing date: Oct 6, 1964<br /> Issue date: May 3, 1966<br /> <br /> Inventors: Julius E. Underwood, Julius E. Underwood<br /> Current U.S. Classification: 84/436<br /> <br /> View patent at USPTO<br /> Search USPTO Assignment Database<br /> Referenced by<br /> Citing Patent Filing date Issue date Original Assignee Title<br /> US4205583 Dec 12, 1977 Jun 3, 1980 CBS Inc. Keyboard construction for pianos<br /> US4418605 Jun 25, 1980 Dec 6, 1983 Pratt-Read Corporation Keyboard for musical instrument<br /> US7541532 Oct 3, 2006 Jun 2, 2009 Yamaha Corporation Key structure and keyboard apparatus<br /> US7652207 May 5, 2008 Jan 26, 2010 Yamaha Corporation Key structure and keyboard apparatus<br /> Drawings<br /> <br /> Drawings<br /> Google Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send Feedback<br /> ©2012 Google</div>

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