Document 3JONQrgnpND5MJaed48aL1zn0

iSflAUsITIFFS t:<SiSEXHIBIT ilEOS-850 March 3, 1972 Mr* Doug Pritchard Robert A. Barnes, Inc. 5611 First Avenue South Seattle, Washington 98108 Dear Dougt I write In reply to your letter of February 29, in regard to Informing 08HA inspectors, etc. of the exposition of KALMIBBX.* This Is rather a difficult area and there la really no way that I ant awtere of, of securing complete protection for ourselves. What I usually do is indicate in ay letter that the information being furnished is proprietary material and must be held In strict confidence. X also usually ask the recipient of the letter to sign end return a copy indicating that ha has recslved the material in confidence. Mostly people will go along with this. X onelose a copy of one of ay letters on these lines which may be of assist ance to you. I suggest you remodel it somewhat to fit the particular cir cumstances of your esse. Please let me know If X con he of further help. Beet regards. Sincerely yours, F0SBC0, Inc. RWR/met Registered Trademark cct Mr. Ron Bridges k. W. Ruddle Vice President - Technology Foundry Products Division 000-00-0000000144