U.S. patent number D496,577 [Application Number D/166,609] was granted by the patent office on 2004-09-28 for door exit device. This patent grant is currently assigned to Dor-O-Matic, Inc.. Invention is credited to Eric K. Arthur, Marlin Austin, Richard Bettin Cohrs, Jr., Loren D. Mueller.
United States Patent | D496,577 |
Cohrs, Jr. , et al. | September 28, 2004 |
Inventors: | Cohrs, Jr.; Richard Bettin (New Palestine, IN), Arthur; Eric K. (Brownsburg, IN), Austin; Marlin (Speedway, IN), Mueller; Loren D. (Indianapolis, IN) |
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Assignee: | Dor-O-Matic, Inc. (Harwood
Heights, IL) |
Appl. No.: | D/166,609 |
Filed: | August 30, 2002 |
Current U.S. Class: | D8/321 |
Current International Class: | 0806 |
Field of Search: | ;D8/321,300,301,302 ;292/92,93,94,DIG.54,347,DIG.65 ;70/92 |
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Dor-O-Matic 1390 Series Mid-Panel Concealed Vertical Rod Exit Device General information, dated Mar. 1989. . NT Dor-O-Matic Greendale 1390 Mid-Panel Exit Device Parts List, Field Disassembly, and Reassembly Manual "Front Load", dated Jan. 1997. . Kawneer Installation Paneline/Panic Guard Exit Device Service & Adjustment Instructions, dated Feb. 1997. . Dor-O-Matic Exit Device Condensed Catalog, pp. 1-6, dated Feb. 2002. . Von Duprin Inpact 94 and 95 Series Exit Devices with a copyright date of 2000.. |
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