EXHIBIT 99(A)(4) SALOMON BROTHERS INC ----------------- SALOMON BROTHERS ----------------- OFFER TO PURCHASE FOR CASH ALL OUTSTANDING SHARES OF COMMON STOCK (INCLUDING THE ASSOCIATED PREFERRED SHARE PURCHASE RIGHTS) OF CIRCON CORPORATION AT $16.50 NET...Offer to Purchase • August 5th, 1997 • United States Surgical Corp • Surgical & medical instruments & apparatus
