Inventor
PENNISON ROBERT A
US9 patents
⚠️ This page may combine multiple inventors who share the name “PENNISON ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRESSER IND
5 patentsUS4799833AJan 24, 1989
Clutch for positive feed drill
DRESSER IND51 citations92
US4681490AJul 21, 1987
Retraction apparatus for automatic feed drills or the like
DRESSER IND33 citations92
US4592681AJun 3, 1986
Retraction apparatus for automatic feed drills or the like
DRESSER IND41 citations92
US4702650AOct 27, 1987
Positive feed drill use counter
DRESSER IND29 citations89
US4683682AAug 4, 1987
Safety lever for portable power tool
DRESSER IND22 citations81