▁so ▁that ▁the ▁cup ▁does ▁not ▁slide ▁side ways ▁or ▁pe el ▁off . ▁ ▁Art ific ial ▁use ▁▁ ▁Art ific ial ▁su ction ▁cu ps ▁are ▁believed ▁to ▁have ▁first ▁been ▁used ▁in ▁the ▁third ▁century , ▁B . C ., ▁and ▁were ▁made ▁out ▁of ▁g our ds . ▁They ▁were ▁used ▁to ▁su ction ▁" bad ▁blood " ▁from ▁internal ▁org ans ▁to ▁the ▁surface . ▁Hi pp ocr ates ▁is ▁believed ▁to ▁have ▁invent ed ▁this ▁procedure . ▁ ▁The ▁first ▁modern ▁su ction ▁cup ▁pat ents ▁were ▁issued ▁by ▁the ▁United ▁States ▁Pat ent ▁and ▁Tra dem ark ▁Office ▁during ▁the ▁ 1 8 6 0 s . ▁T C ▁Ro che ▁was ▁awarded ▁U . S . ▁Pat ent ▁No . ▁ 5 2 , 7 4 8 ▁in ▁ 1 8 6 6 ▁for ▁a ▁" Ph ot ographic ▁Develop er ▁Di pping ▁St ick "; ▁the ▁pat ent ▁dis clos es ▁a ▁primitive ▁su ction ▁cup ▁means ▁for ▁handling ▁phot ographic ▁pl ates ▁during ▁developing ▁procedures . ▁In ▁ 1 8 6 8 , ▁Or well ▁Need ham ▁pat ented ▁a ▁more ▁ref ined ▁su ction ▁cup ▁design , ▁U . S . ▁Pat ent ▁No . ▁ 8 2 , 6 2 9 , ▁calling ▁his ▁in vention ▁an ▁" At mos pher ic ▁Kn ob " ▁pur posed ▁for ▁general ▁use ▁as ▁a ▁handle ▁and ▁dra wer ▁opening ▁means . ▁ ▁Su ction ▁cu ps ▁have ▁a ▁number ▁of ▁commercial ▁and ▁industrial