Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DP

David J. Prince

ERErgotron: 21 patents #8 of 80Top 10%
3M: 14 patents #1,097 of 11,543Top 10%
ACActuant: 10 patents #11 of 173Top 7%
LELear: 6 patents #220 of 1,996Top 15%
UNUnknown: 3 patents #7,366 of 83,584Top 9%
TYTymphany: 3 patents #1 of 10Top 10%
TLTymphany Hk Limited: 3 patents #6 of 32Top 20%
PAPanduit: 1 patents #307 of 466Top 70%
PPPower Products: 1 patents #9 of 22Top 45%
SSS. C. Johnson & Son: 1 patents #961 of 1,588Top 65%
Saint Paul, MN: #13 of 620 inventorsTop 3%
Minnesota: #485 of 52,454 inventorsTop 1%
Overall (All Time): #30,518 of 4,157,543Top 1%
68 Patents All Time

Issued Patents All Time

Showing 51–68 of 68 patents

Patent #TitleCo-InventorsDate
8052217 Adjustable ergonomic chair Victor Toso, Benjamin G. Pratt 2011-11-08
D646638 Electrical cord end Christopher L. Peterson, Scott A. Olson, Patrick J. Radle, David L. Wiesemann, Anthony W. Gilbert +1 more 2011-10-11
7853025 Vehicular audio system including a headliner speaker, electromagnetic transducer assembly for use therein and computer system programmed with a graphic software control for changing the audio system's signal level and delay Pawel W. Sleboda, Robert True, Jerome Ng, David Emerling 2010-12-14
D623920 Set of tool handles Patrick J. Radle, David L. Wiesemann, Anthony W. Gilbert, Natalie M. Wieberdink, Micah L. Maraia +2 more 2010-09-21
D623148 Electrical instrument Natalie M. Wieberdink, Derek D. Erickson, Joseph M. Hillary, Christopher L. Peterson 2010-09-07
D615430 Electrical probe Natalie M. Wieberdink, Derek D. Erickson, Joseph M. Hillary, Christopher L. Peterson 2010-05-11
D613137 Cable tool Natalie M. Wieberdink, Derek D. Erickson, Christopher L. Peterson, Robert G. Fehr, Aaron J. Munsinger +2 more 2010-04-06
D612338 Electrical instrument Natalie M. Wieberdink, Derek D. Erickson, Joseph M. Hillary, Christopher L. Peterson 2010-03-23
D609998 Clasp Patrick J. Radle, Christopher L. Peterson, Joseph M. Hillary 2010-02-16
D608191 Clasp Patrick J. Radle, Christopher L. Peterson, Joseph M. Hillary 2010-01-19
D599288 Low voltage outdoor lighting power supply Patrick J. Radle, Anthony W. Gilbert, David L. Wiesemann, Christopher L. Peterson, Micah L. Maraia 2009-09-01
7536019 Audio system for use with a vehicle Justin Putti, Robert True 2009-05-19
D573586 Loudspeaker Edward T. Norcott, Jr., Richard Warren Little, Kevin Christopher Corr, Jose Francisco Garcia 2008-07-22
D567213 Loudspeaker 2008-04-22
D567212 Loudspeaker Edward T. Norcott, Jr. 2008-04-22
7050593 Vehicular audio system and electromagnetic transducer assembly for use therein David Emerling, Pawel W. Sleboda, John F. Mola, Robert True 2006-05-23
6959956 Acoustically transparent visor Mark Fero 2005-11-01
6899381 Vehicle headliner with a flexible duct Mark Fero, Justin Putti, Randall Gage 2005-05-31