May 18-21. AGMA Annual Meeting, "The Changing World of Gears." Loews Ventana Canyon Resort, Tucson, AZ.
July 12-14, 1989. ASM international Conference on Carburizing. Sheraton Hotel & Conference Center, Lakewood, CO.
September 12-20, 1989. European Machine Tool Show, Hannover, West Germany.
March 19-22, 1989. first International Applied Mechanical Systems Design Conference. Convention Center, Nashville, TN.
March 28-30, 1989. Gear Design Seminar, University of Northern Iowa
March 19-22, 1989. First International Applied Mechanical Systems Design Conference. Convention Center, Nashville, TN.
April 25-27, 1989. ASME 5th Annual Power Transmission & Gearing Conference, Chicago, IL
November 1-3. SME Gear Processing and Manufacturing Clinic, Sheraton Meridian, Indianapolis, IN.
November 5-10. international Conference on Gearing, Zhengzhou, China