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Arc welding pipe apparatus
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Patent number 4,306,134
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Issue date Dec 15, 1981
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Midcon Pipeline Equipment Co.
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Clyde M. Slavens
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Welding backup shoe apparatus
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Patent number 4,285,458
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Issue date Aug 25, 1981
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Midcon Pipeline Equipment Co.
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Clyde M. Slavens
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Traveling welding carriage
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Patent number 4,260,869
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Issue date Apr 7, 1981
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Midcon Pipeline Equipment Co.
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Clyde M. Slavens
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Track apparatus
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Patent number 4,250,813
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Issue date Feb 17, 1981
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Midcon Pipeline Equipment Co.
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Clyde M. Slavens
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Pipe wrapping apparatus
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Patent number RE30369
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Issue date Aug 12, 1980
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Midcon Pipeline Equipment Co.
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Daniel F. Wilson
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156 - Adhesive bonding and miscellaneous chemical manufacture
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Rotary internal pipe clamp apparatus
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Patent number 4,177,914
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Issue date Dec 11, 1979
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Midcon Pipeline Equipment Co.
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Edward A. Clavin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rotary internal pipe bending mandrel
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Patent number 4,164,135
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Issue date Aug 14, 1979
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Midcon Pipeline Equipment Co.
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Edward A. Clavin
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Pipe wrapping coating apparatus
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Patent number 4,145,243
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Issue date Mar 20, 1979
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Midcon Pipeline Equipment Co.
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Spencer D. Cottam
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Pipe end finishing apparatus
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Patent number 4,126,065
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Issue date Nov 21, 1978
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Midcon Pipeline Equipment Co.
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Edward A. Clavin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Traveling support apparatus
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Patent number 4,092,928
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Issue date Jun 6, 1978
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Midcon Pipeline Equipment Co.
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Edward A. Clavin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Pipe bending mandrel
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Patent number 4,088,007
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Issue date May 9, 1978
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Midcon Pipeline Equipment Co.
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Edward A. Clavin
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Pipe wrapping apparatus
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Patent number 4,069,088
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Issue date Jan 17, 1978
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Midcon Pipeline Equipment Co.
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Spencer D. Cottam
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Adjustable rollers for positioning pipe
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Patent number 4,062,456
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Issue date Dec 13, 1977
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Midcon Pipeline Equipment Co.
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J. C. Birdwell
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Pipe wrapping apparatus
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Patent number 4,058,427
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Issue date Nov 15, 1977
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Midcon Pipeline Equipment Co.
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Daniel F. Wilson
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Pipe scraper
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Patent number 4,031,590
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Issue date Jun 28, 1977
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Midcon Pipeline Equipment Co.
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Edward Albert Clavin
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B08 - CLEANING
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