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PLAINTIFFS I EXHIBIT f U-490 IN THE COURT OF COMMON PLEAS BUTLER COUNTY, OHIO ROGER DALE BLAKE, ET AL.

t PITTSBURGH CORNING CORPORATION PORT ALLEGANY, PENNSYLVANIA 24 June 1969 MINUTES OF SAFETY POLICY COMMITTEE MEETING HELD WEDNESDAY. 11 JUNE 1969 10:30 A.M.

l'*" * I ( { ( V JUN 3 0 869 William R.

Reprint from N BRICK & CLAY RECORD May 1961 Johns-Manville Insulating Firebrick Are Different!

MV<k 5Lv-*> l^o Division Headquarters July 20, 1967 INSULATING FIREBRICK SPECIAL SIZES - SPPI PROCEDURES TOUR LETTERS OF MARCH 17 & 22 AND OUR DISCUSSIONS In an effort to increase our business by offering our trade larger than conventional size OT3, we believe it is necessary to revise our SPPI pricing procedure* Although we nay eventually add some or all of these sizes to our published price schedule, we first want to judge the trade and competitive response.

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t v \ i c III // MINUTES OF THE 100th MEETINC Of THE QUEBEC ASBESTOS MINING ASSOCIATION, HELD ON THURSDAY, FEBRUARY 2. 1967 AT THE BARBADOS HILTON, SARBAOOS, tt.j,.

TRADEMARK FILE INFORMATION Trademark: Trademark Owner: Last Assignee: Date of First Use in Commerce: Registration No.: Date Trademark Registered: Size of Label in Trademark File: CAPCO Cement Asbestos Products Co.

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'mar .i INTEnXATTONAL CONTEDSyCS t on the BIOLOGICAL EFFECTS OF ASBESTOS Roport on Proceedings by Dr.

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