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USPTO Patent Rankings Data through Dec 31, 2025
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Fred Collin — 14 Patents

OPOptiflow: 7 patents #1 of 12Top 9%
ZOZiel Optics: 6 patents #1 of 6Top 20%
SWSheltered Wings: 2 patents #24 of 32Top 75%
Brighton, MI: #50 of 809 inventorsTop 7%
Michigan: #6,429 of 86,293 inventorsTop 8%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Fred Collin has been granted 14 US patents while listed as an inventor at Optiflow. The first was granted in 2013 and the most recent in January 2023. Fred Collin ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Fred Collin in Brighton, MI, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
D975818 Gun sight device David M. Hamilton, Rob Morell, Michael Rosen 2023-01-17
D969958 Flip mount David M. Hamilton, Michael Rosen 2022-11-15
11262163 Holographic weapon sight with parabolic reflector Kurt Douglas Mills 2022-03-01
10443977 Combination reflective and holographic weapon sight 2019-10-15
10379495 Gun sight with brightness control 2019-08-13
10254532 Hybrid holographic sight 2019-04-09
10247515 Holographic sight with optimized reflection and image angles 2019-04-02
9752852 Gun sight Kurt Douglas Mills, David S. Dilworth, Rod Collin, Stephen Michael Shubeck, Christopher Stephen Hyde 2017-09-05
9500442 Holographic gun sight Kurt Douglas Mills, David S. Dilworth, Rod Collin, Stephen Michael Shubeck, Christopher Stephen Hyde 2016-11-22
9395158 Mounting device for weapon Stephen Michael Shubeck, Michael L. Marino, Lamoyne (Jack) Durham 2016-07-19
8935875 Articulating mount for weapon accessory Mike Carlson, Stephen Michael Shubeck 2015-01-20
8438773 Articulating mount for weapon sight accessory Mike Carlson, Alan Charlton, Michael L. Marino 2013-05-14
8438965 Mounting device for weapon Alan Charlton, Mike Carlson, Michael L. Marino 2013-05-14
8424234 Rotating mount for weapon sight accessory Mike Carlson, Alan Charlton, Michael L. Marino 2013-04-23