House counsel Radiotronix Communications Laboratories, New York City, 1958—1961. Patent attorney Bendix Corporation, Teterboro, New Jersey, 1961—1964. International patent attorney Western Electric Company, New York City, 1964—1970.
Private practice, since 1970. Of counsel Frishauf, Holtz, Goodman & Woodward, New York City. Lecturer patent law Practising Law Institute.
Rbitrator Civil Court, since 1964.
Fellow: Harlan Fiske Stone. Member: American Arbitration Association, International Society Hybrid Microelectronics, Institute of Electrical and Electronics Engineers, New York Patent Trademark and Copyright Law Association, American Intellectual Property Law Association, New York County Lawyers Association, American Bar Association, City New York.