DC

Dean A. Caldwell

KA Kaplan: 3 patents #2 of 4Top 50%
Overall (All Time): #379,639 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10301202 System and method for aeration by air infusion 2019-05-28
9321667 System and method for aeration 2016-04-26
6325842 Method and apparatus for aerating Gary R. Arnold 2001-12-04
6224381 Educating special needs children about money Judith L. Culberson, Christie Lockhart 2001-05-01
6142786 Educating special needs children about shapes and hardware Judith L. Culberson, Christie Lockhart 2000-11-07
6129550 Educating special needs children about place settings Judith L. Culberson, Christie Lockhart 2000-10-10
5624574 Chlorinator-filter process for sewage treatment 1997-04-29
5505840 Chlorinator-filter system for sewage treatment plants 1996-04-09
D338117 Earring rack Ginny Bass 1993-08-10
D338127 Jewelry rack Ginny Bass 1993-08-10
D332025 Earring rack Ginny Bass 1992-12-29
5067617 Earring storage and display rack Ginny Bass 1991-11-26
D310926 Earring rack Ginny Bass 1990-10-02