Inventor
BRIGGS DANIEL C
US14 patents
⚠️ This page may combine multiple inventors who share the name “BRIGGS DANIEL C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WELCH ALLYN INC
12 patentsUS9883792B2Feb 6, 2018
Vaginal speculum apparatus
WELCH ALLYN INC42 citations97
US9332898B2May 10, 2016
Vaginal speculum apparatus
WELCH ALLYN INC46 citations96
US5144190ASep 1, 1992
Light source having desired color temperature and chromaticity
WELCH ALLYN INC82 citations95
US5059146AOct 22, 1991
Method of adjusting a light source for color temperature and chromaticity
WELCH ALLYN INC61 citations95
US5144201ASep 1, 1992
Low watt metal halide lamp
WELCH ALLYN INC53 citations91
US5138228AAug 11, 1992
Bulb geometry for low power metal halide lamp
WELCH ALLYN INC35 citations91
US10376138B2Aug 13, 2019
Vaginal speculum apparatus
WELCH ALLYN INC3 citations84
US7553020B2Jun 30, 2009
Medical diagnostic instrument with variable focus liquid lens
WELCH ALLYN INC18 citations84
US5117154AMay 26, 1992
Metal halide discharge lamp with improved shank loading factor
WELCH ALLYN INC18 citations72
US12262878B2Apr 1, 2025
Vaginal speculum apparatus
WELCH ALLYN INC0 citations62
US11291359B2Apr 5, 2022
Vaginal speculum apparatus
WELCH ALLYN INC0 citations62
US9949633B2Apr 24, 2018
Vaginal speculum apparatus
WELCH ALLYN INC0 citations52