| Brochure entitled, "Littmann Classic II and Pediatric and Infant Stethoscope," dated Jan. 5, 1994, (1 page). |
| Brochure entitled, "The Allen Series," by Newport Instruments, Inc. (1983) (5 pages). |
| Brochure entitled, "Have you heard the latest about Auscultation?", by Welch Allyn Company, (1987) (10 pages). |
| Brochure entitled, "Jetz mit 10 Seiten Wohnmobel," by Wapema, (1988-1989) (8 pages). |
| Brochure entitled, "Adgram," vol. 8, Issue 5, by American Diagnostic Corporation, Sep.-Oct. 1994, (1 page) Note the Master Adscope.TM. 600. |
| Catalog by nm Medical, (1994) (3 pages). |
| Brochure entitled, "Anesthesia Specialties" by Buffalo Medical Specialties MFG, Inc. (1983) (17 pages). |
| Brochure entitled, "Series 22 Stethoscope," Series 12 Stethoscope and Price List dated Mar. 1, 1980, by Newport Instruments, Inc. (4 pages). |
| Brochure entitled, "Littmann Classic II Stethoscope, The standard of the industry," 3M HealthCare, (1 page). |
| Brochure entitled, "3MLittmann Master Classic Stethoscope, The most efficient general exam stethoscope," 3M HealthCare (1 page). |
| Brochure entitled, "Heine Gamma 20" by Heine USA LTD, (1 page). |
| Brochure entitled, "Die MET-Stethoskop-Baureihe", by F.L. Fischer, (2 pages). |
| Brochure entitled, "3MLittmann Master Cardiology Stethoscope," 3M Health Care (1 page). |
| Brochure entitled, "3M Littmann Cardiology II Stethoscope," (1 page). |
| Brochure entitled, "Heine Gamma", by Heine USA LTD, (3 pages), (prior art). |
| Brochure entitled, "Sensitive Dual Membrane Stethoscope", by Erka (2 pages), (prior art). |
| Brochure entitled, "Sphygmomanometers, Stethoscopes & Accessories," by Welch Allyn Company, (5 pages), (prior art). |
| Brochure entitled, "Range of Stethoscopes", by Kamed.RTM. Medical Apparatus and Instruments, (13 pages), (prior art). |
| Catalog by American Diagnostic Corporation entitled, "Medical Instruments Worldwide Catalogue", (8 pages), (prior art). |
Patent Grant
D432238
