CS

Charles Jeffrey Spencer

AH Abl Ip Holding: 6 patents #120 of 567Top 25%
AE Appleton Electric: 1 patents #6 of 14Top 45%
JM Juno Manufacturing: 1 patents #19 of 31Top 65%
ST S-B Power Tool: 1 patents #57 of 115Top 50%
📍 Wilmette, IL: #70 of 495 inventorsTop 15%
🗺 Illinois: #8,942 of 84,256 inventorsTop 15%
Overall (All Time): #483,943 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D1081459 Owl decoy James Marks 2025-07-01
11652287 Antenna systems for wireless communication in luminaires Towfiq M. Chowdhury, Mohammad Bani Hani, Daniel Francis Posacki, Kyle Michael Bradd 2023-05-16
11268690 Luminaire system with integrated, dynamic audio visual control Towfiq M. Chowdhury, Mohammad Bani Hani, Daniel Francis Posacki, Kyle Michael Bradd, Gregory P. Frankiewicz +3 more 2022-03-08
11149938 Luminaire system with trim component and integrated user experience elements Towfiq M. Chowdhury, Mohammad Bani Hani, Daniel Francis Posacki, Kyle Michael Bradd, Gregory P. Frankiewicz +3 more 2021-10-19
11118779 Luminaire with an integrated speaker Daniel Francis Posacki, Kyle Michael Bradd, Gregory P. Frankiewicz, Feng Chen, John G. Serra +1 more 2021-09-14
10670227 Hyperbolic ceiling-reflector for directional light sources Zhong Xie, Tony Geralds 2020-06-02
10104731 Combination dimmable driver Feng-Kang Hu, Hangyang Wang, Feng Chen, Towfiq M. Chowdhury 2018-10-16
9119269 Lumen depreciation management John G. Serra, Martin Lee 2015-08-25
5686708 Protective fuse shield for disconnect switches 1997-11-11
5670763 Dead front interlocked receptacle 1997-09-23