AMERICAN SOC. OF M. E.'s v. HYDROLEVEL CORP.

Attorney(s) appearing for the Case

Harold R. Tyler, Jr., argued the cause for petitioner. With him on the briefs were Richard D. Parsons, Frederick T. Davis, and Steven C. Charen.

Carl W. Schwarz argued the cause for respondent. With him on the brief were Stephen P. Murphy and William H. Barrett.

Deputy Solicitor General Shapiro argued the cause for the United States as amicus curiae urging affirmance. With him on the brief were Solicitor General Lee, Assistant Attorney General Baxter, Barry Grossman, and Ernest J. Isenstadt.*

Merle L. Royce and James P. Chapman filed a brief for ECOS Electronic Corp. as amicus curiae urging affirmance.

Briefs of amici curiae were filed by Henry A. Field, Jr., for Adolph J. Ackerman; and by Kim Zeitlin for the National Commission for Health Certifying Agencies.