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71528354 11 Jul 1947 | on 03 Nov 1992 | FLUID ACTUATED SIZE CONTROL MECHANISM APPLIED TO A HONING MACHINE FOR ... Class 023 Class 023 Yarns and Threads FLUID ACTUATED SIZE CONTROL MECHANISM APPLIED TO A HONING MACHINE FOR TERMINATING THE HONING OPERATION WHEN BORE SIZE IS REACHED | | | MICROPEEN MICROMATIC HONE CORPORATION
71452021 30 Mar 1942 | on 10 Jan 1986 | TOOL FOR PRODUCING INDENTATIONS OR DEPRESSIONS OF PREDETERMINED SIZE A... Class 023 Class 023 Yarns and Threads TOOL FOR PRODUCING INDENTATIONS OR DEPRESSIONS OF PREDETERMINED SIZE AND CONFIGURATION IN METAL SURFACES | | | FABRON MICROMATIC HONE CORPORATION
72174681 08 Aug 1963 | on 11 Nov 1984 | LOW FRICTION SELF-LUBRICATING BEARING,LOW FRICTION SELF-LUBRICATING BE... Class 023 Class 023 Yarns and Threads LOW FRICTION SELF-LUBRICATING BEARING | |