DC

Donald L. Chapman

SD Square D: 10 patents #24 of 756Top 4%
Overall (All Time): #474,255 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5415557 Busway tap off base assembly for preventing the ingress of dust and liquids Debora L. Good, Michael S. Young 1995-05-16
5125199 Floor duct with integral interlock Robert I. Whitney 1992-06-30
5111538 Knockdown portable hotwater shower and shower head therefor 1992-05-12
5024251 Lay-in wireway assembly 1991-06-18
5023396 Pop-up service fitting Edward C. Bartee 1991-06-11
4931597 Junction boxes Robert L. Kimbrough 1990-06-05
4922672 Snap-on underfloor preset Edward C. Bartee 1990-05-08
4899506 Large capacity electrical service fitting for concrete floors Robert L. Kimbrough 1990-02-13
4349220 Raintight wireway James C. Carroll 1982-09-14
4272643 Fire resistant fitting James C. Carroll, Stephen L. Flee, Gilbert A. McGoldrick 1981-06-09
4270318 Fire resistant fitting floor holes James C. Carroll, Gilbert A. McGoldrick 1981-06-02