Inventor
SOLOMON JACK
16 patents
⚠️ This page may combine multiple inventors who share the name “SOLOMON JACK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ESSELTE PENDAFLEX CORP
8 patentsUSD289181SApr 7, 1987
Rack for hanging folders
ESSELTE PENDAFLEX CORP41 citations92
US4568052AFeb 4, 1986
Apparatus for supporting an object in a desired position
ESSELTE PENDAFLEX CORP85 citations90
USD297688SSep 20, 1988
Stackable drawer file
ESSELTE PENDAFLEX CORP20 citations81
USD294665SMar 15, 1988
Storage rack
ESSELTE PENDAFLEX CORP18 citations81
US4728159AMar 1, 1988
Stackable file storage unit
ESSELTE PENDAFLEX CORP14 citations73
US4505388AMar 19, 1985
Expandable portable file
ESSELTE PENDAFLEX CORP19 citations73
US4267656AMay 19, 1981
Copy holder
ESSELTE PENDAFLEX CORP15 citations73
US4601398AJul 22, 1986
Frame for hanging files
ESSELTE PENDAFLEX CORP4 citations62
UNION CARBIDE CORP
4 patentsUS4145232AMar 20, 1979
Process for carburizing steel
UNION CARBIDE CORP48 citations92
US4139375AFeb 13, 1979
Process for sintering powder metal parts
UNION CARBIDE CORP25 citations75
US4306919ADec 22, 1981
Process for carburizing steel
UNION CARBIDE CORP13 citations72
US4448616AMay 15, 1984
Process for reducing backmixing
UNION CARBIDE CORP5 citations62