Inventor
PRINGLE DAVID A
US9 patents
⚠️ This page may combine multiple inventors who share the name “PRINGLE DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRINGLE DAVID A
4 patentsUS5982112ANov 9, 1999
Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like
PRINGLE DAVID A7 citations68
US5150012ASep 22, 1992
Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like
PRINGLE DAVID A7 citations67
US5179399AJan 12, 1993
Theatre in the round projection apparatus and method
PRINGLE DAVID A6 citations59
US6140778AOct 31, 2000
Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like
PRINGLE DAVID A1 citations47