PS

Patrick J. Spellman

RA Rayovac: 6 patents #18 of 170Top 15%
Overall (All Time): #709,263 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11279276 Boat towing auxiliary light with shaft, power source, and brace Thomas Bonner 2022-03-22
6653016 Extended temperature operating range electrochemical cells Cecilia Maske, Gerald Sanden, Zhihong Jin, Janna L. Rose 2003-11-25
6087030 Electrochemical cell anode and high discharge rate electrochemical cell employing same Randall L. Collien, Robert B. Dopp, John Edward Oltman, John David Burns, Joseph L. Passaniti +1 more 2000-07-11
5932367 Low mercury, high discharge rate electrochemical cell Randall L. Collien, Robert B. Dopp, John Edward Oltman, John David Burns, Joseph L. Passaniti +1 more 1999-08-03
5721065 Low mercury, high discharge rate electrochemical cell Randall L. Collien, Robert B. Dopp, John Edward Oltman, John David Burns, Joseph L. Passaniti +1 more 1998-02-24
5606238 Discriminating battery charging system El-Sayed Megahed, Karl E. Anderson, Bryan D. Jaedike 1997-02-25
5443924 Discriminating charger and compatible battery 1995-08-22