Home › B&R Plastics › Darrell A. Kulzer

DK

Darrell A. Kulzer — 27 Patents

BPB&R Plastics: 26 patents #1 of 5Top 20%

Denver, CO: #107 of 4,554 inventorsTop 3%

Colorado: #1,267 of 40,980 inventorsTop 4%

Overall (All Time): #142,059 of 4,157,543Top 4%

27 Patents All Time

Darrell A. Kulzer has been granted 27 US patents while listed as an inventor at B&R Plastics. The first was granted in 1987 and the most recent in September 2015. Darrell A. Kulzer ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Darrell A. Kulzer in Denver, CO, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date
D739485	Support	—	2015-09-22
9011755	Exercise step using spirally shaped air-cushioning legs	—	2015-04-21
8944979	Exercise step using spirally shaped air-cushioning legs	—	2015-02-03
D678436	Foot	—	2013-03-19
D676093	Foot	—	2013-02-12
D652460	Oval exercise step	—	2012-01-17
D651673	Rectangular exercise step	—	2012-01-03
D651263	Round exercise step	—	2011-12-27
D643266	Sculpted top sculpted cup tray	—	2011-08-16
D628450	Sculpted top squared cup tray	—	2010-12-07
D628449	Flat top squared cup tray	—	2010-12-07
D624794	Flat top rounded cup tray	—	2010-10-05
D619860	Sculpted top rounded cup tray	—	2010-07-20
D616714	Sculpted top rounded cup tray	—	2010-06-01
D616715	Sculpted top rounded cup tray	—	2010-06-01
D616269	Flat top squared cup tray	—	2010-05-25
D616265	Flat top rounded cup tray	—	2010-05-25
D616266	Flat top squared cup tray	—	2010-05-25
D616267	Sculpted top squared cup tray	—	2010-05-25
D616268	Flat top rounded cup tray	—	2010-05-25
D616270	Sculpted top squared cup tray	—	2010-05-25
D588407	Cup and tray assembly	Gilbert Martinez	2009-03-17
D587966	Cup and tray assembly	Gilbert Martinez	2009-03-10
D583625	Cup and tray assembly	Gilbert Martinez	2008-12-30
D556522	Cutting board	Gilbert Martinez	2007-12-04