Inventor
CHANG SHIH-HO
TW8 patents
⚠️ This page may combine multiple inventors who share the name “CHANG SHIH-HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHANG SHIH HO
7 patentsUS5312082AMay 17, 1994
Clipboard having a whistle integrally formed therewith
CHANG SHIH HO29 citations90
US5180133AJan 19, 1993
Clipboard having a calculator mounted thereon
CHANG SHIH HO32 citations90
US4628572ADec 16, 1986
Clip structure
CHANG SHIH HO40 citations90
US4948172AAug 14, 1990
Combined clip board and pen holder
CHANG SHIH HO21 citations80
US4763389AAug 16, 1988
Clipboard structure
CHANG SHIH HO18 citations71
US4745662AMay 24, 1988
Easily assembled clip
CHANG SHIH HO11 citations71
US11697993B1Jul 11, 2023
Rotary engine
CHANG SHIH HO0 citations47