AR

Andrew J. Roszkowski

EB Energizer Brands: 8 patents #8 of 151Top 6%
SB Spectrum Brands: 4 patents #80 of 293Top 30%
RA Rayovac: 1 patents #78 of 170Top 50%
RO Rovcal: 1 patents #45 of 92Top 50%
📍 Waunakee, WI: #12 of 150 inventorsTop 8%
🗺 Wisconsin: #3,173 of 40,088 inventorsTop 8%
Overall (All Time): #332,641 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12341186 Alkaline electrochemical cell with improved anode and separator components M. Edgar Armacanqui, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley +3 more 2025-06-24
12266820 Separator for alkaline cells M. Edgar Armacanqui, Donald Raymond Crowe, Enqing Zhu, John Hadley, Matthew Hennek +1 more 2025-04-01
11784375 Separator for metal air cells M. Edgar Armacanqui, Donald Raymond Crowe, Enqing Zhu, John Hadley, Matthew Hennek +1 more 2023-10-10
11757088 Alkaline electrochemical cell with improved anode and separator components M. Edgar Armacanqui, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley +3 more 2023-09-12
11670823 Separator for alkaline cells M. Edgar Armacanqui, Donald Raymond Crowe, Enqing Zhu, John Hadley, Matthew Hennek +1 more 2023-06-06
11264607 Alkaline electrochemical cell with improved anode and separator components M. Edgar Armacanqui, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley +3 more 2022-03-01
11133497 Alkaline cell with improved discharge efficiency M. Edgar Armacanqui, Wen Li, Donald Raymond Crowe, John Hadley, Janna L. Rose 2021-09-28
10693125 Alkaline electrochemical cell with improved anode and separator components M. Edgar Armacanqui, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley +3 more 2020-06-23
9455440 Alkaline cell with improved high rate capacity M. Edgar Armacanqui, Wen Li, John Hadley, Janna L. Rose 2016-09-27
9252430 Alkaline cell with improved high rate capability M. Edgar Armacanqui, Wen Li, John Hadley, Janna L. Rose 2016-02-02
8728659 Alkaline cell with additive for improved discharge performance M. Edgar Armacanqui, Donald Raymond Crowe 2014-05-20
8691439 Alkaline cell with performance enhancing additives Ernest Ndzebet, Mario Destephen, William C. Bushong, M. Edgar Armacanqui, Viet Vu 2014-04-08
7749654 Alkaline cell with performance enhancing additives Ernest Ndzebet, Mario Destephen, William C. Bushong, M. Edgar Armacanqui, Viet Vu 2010-07-06
7226696 Alkaline cell with performance enhancing additives Ernest Ndzebet, M. Edgar Armacanqui, Mario Destephen, William C. Bushong, Viet Vu 2007-06-05