Parkersburg Aetna Corporation - West Virginia 1963

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ParkersburgAetna
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Beautifully engraved certificate from the Parkersburg-Aetna Corporation issued in 1963. This historic document was printed by the Columbian Bank Note Company and has an ornate border around it with a vignette of an allegorical woman sitting in a chair with a background consisting of factories, ships, trains and oil derricks. This item has the printed signatures of the Company's President and Secretary and is over 41 years old.
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Certificate Vignette
Parkersburg Aetna Corporation developed the idea of using a water brake as an auxiliary brake for rotary drilling rigs in 1929. The water brakes were trademarked in 1933 as Hydromatic® brakes and produced and sold in West Virginia until 1958. In 1958, the Hydromatic® brake product line was transferred to Parkersburg Rig and Reel in Coffeyville, Kansas. The Coffeyville plant mainly manufactured oilfield pumping units, bolted tanks and Hydromatic® brakes until 1966. In 1966, Parkersburg Rig and Reel ceased manufacturing oilfield pumping units and bolted tanks and became Parmac, Inc., a subsidiary of Maloney Crawford Tank.