3 photographs of bottom of IBM PS/2 Model 80 unit (cited in U.S. Pat. No. 5,020,768 listed above) (2 pgs. total). |
AST Computers Advertisement in PC Week, Feb. 19, 1990, pp. 67-70 (cited in U.S. Pat. No. 5,020,768 listed above). |
ALTEC Technology Corp. Advertisement in INFOWORLD, Feb. 5, 1990, pp. 87-88 (cited in U.S. Pat. No. 5,020,768 listed above). |
Sys Technology, Inc. Advertisement in PC Week, Feb. 12, 1990, pp. 99-100 (cited in U.S. Pat. No. 5,020,768 listed above). |
IBM Tech. Discl. Bulletin, vol. 29, No. 9, Feb. 1987, pp. 4117-4118, "Bridge Assembly for Mounting Electromagnetic Devices" (no author). |
IBM Tech. Discl. Bulletin, vol. 28, No. 12, May 1986, pp. 5519-5521, "Spring-Loaded File Rails" (no author). |
IBM Tech. Discl. Bulletin, vol. 30, No. 1, Jun. 1987, pp. 392-393, "Direct-Access Storage Device Commodity-Stacking Plates" (no author). |
IBM Tech. Discl. Bulletin, vol. 28, No. 6, Nov. 1985, pp. 2514-2515 "Universal, Low-Cost Hard-File Mounting Assembly" (no author). |
Advertisements in PC Week, Feb. 19, 1990 (2 pages). |
5 photographs of quick release guide rail disclosed on p. 2, line 19 to p. 3, line 9 of the application. |
Prior art L-shaped guide rail disclosed on p. 2, lines 6-17 of the application. |