MacLean David S.
MacMillan, Sobanski & Todd
Mamoru Mitsuishi
Manhes Hubert
Marini Louis J.
Markham Harold
Martin Eugen
Martin J. Duncan S.
Marucci Damian Delio
May Erie
Mayenberger Rupert
Mayerik, Jr. John M.
McGarry Richard A.
Measamer John P.
MediPlus Instruments GmbH U. Co. KG
Menciassi Arianna
Metsch Dieter
Meyers William C.
Microsurgical Laboratories, Inc.
Milewski Thomasz