CK

Charles H. Keegan

EC Evenflo Company: 6 patents #5 of 137Top 4%
GC Goodbaby Child Products Co.: 3 patents #3 of 43Top 7%
S1 Safety 1St: 3 patents #7 of 26Top 30%
MA Mattel: 2 patents #399 of 1,179Top 35%
CM Cosco Management: 1 patents #101 of 175Top 60%
S( Summer Infant (Usa): 1 patents #14 of 24Top 60%
📍 Milton, MA: #22 of 436 inventorsTop 6%
🗺 Massachusetts: #6,479 of 88,656 inventorsTop 8%
Overall (All Time): #246,461 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12415444 Rotatable car seat and base Philip Przybylo 2025-09-16
12397689 Infant transport system and assembly Shain A. Saucier, Zhang Meng, Yang Xiaoyong, Gao Xiang, Lv Wenlong +1 more 2025-08-26
12371089 Infant transport system and assembly with caster alignment Shain A. Saucier, Meng Zhang, Xiaoyong Yang, Xiang Gao, Wenlong Lv +1 more 2025-07-29
12311250 Apparatus for transport and storage of sporting equipment 2025-05-27
12005817 Rotatable car seat and base Phillip Przybylo 2024-06-11
11958524 Handle assembly for infant carrier and stroller Shain A. Saucier, Meng Zhang, Xiaoyong Yang, Xiang Gao, Wenlong Lv +1 more 2024-04-16
11813516 Apparatus for transport, storage and lifting of sporting equipment 2023-11-14
11427114 Booster seat to base attachment mechanism Phillip Przybylo 2022-08-30
8544952 Infant child restraint system Phillip Przybylo, William A. Henderson 2013-10-01
8393678 Infant child restraint system Phillip Przybylo, William A. Henderson 2013-03-12
8393674 Infant child restraint system Phillip Przybylo, Stephen B. Oltman 2013-03-12
7918497 Convertible high chair 2011-04-05
7387337 Booster seat Richard A. Daley 2008-06-17
7104603 Booster seat Richard A. Daley 2006-09-12
D466843 Baby walker Chinawut Paesang 2002-12-10
D427116 Stationary baby walker Michael S. Bernstein, Brian C. Sundberg 2000-06-27
D417417 Baby walker Brian C. Sundberg, Michael I. Lerner 1999-12-07
D403715 Child's riding toy Brian C. Sundberg 1999-01-05