Inventor
DUNBAR FRANK C
9 patents
⚠️ This page may combine multiple inventors who share the name “DUNBAR FRANK C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARMCO INC
5 patentsUS4883723ANov 28, 1989
Hot dip aluminum coated chromium alloy steel
ARMCO INC29 citations91
US5066549ANov 19, 1991
Hot dip aluminum coated chromium alloy steel
ARMCO INC13 citations72
US4800135AJan 24, 1989
Hot dip aluminum coated chromium alloy steel
ARMCO INC8 citations72
US4416920ANov 22, 1983
Low tin terne coating
ARMCO INC17 citations72
US4315056AFeb 9, 1982
Low tin terne coated steel article
ARMCO INC1 citations51
ARMCO STEEL CORP
3 patentsUS3936543AFeb 3, 1976
Method of coating carbon steel
ARMCO STEEL CORP16 citations80
US4123291AOct 31, 1978
Method of treating steel strip and sheet surfaces, in sulfur-bearing atmosphere, for metallic coating
ARMCO STEEL CORP5 citations61
US4140552AFeb 20, 1979
Method of treating aluminum-killed and low alloy steel strip and sheet surfaces, in sulfur-bearing atmosphere, for metallic coating
ARMCO STEEL CORP6 citations60