JC

John R. Columbia

📍 Masontown, PA: #15 of 171 inventorsTop 9%
🗺 Pennsylvania: #5,397 of 74,527 inventorsTop 8%
Overall (All Time): #342,713 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11820182 Magnetic fastening and retaining device and method 2023-11-21
10800218 Magnetic fastening and retaining device and method 2020-10-13
10166827 Multi-function hitch accessory retaining device and method 2019-01-01
9707811 Multi-task trailer hitch assembly 2017-07-18
9630463 Maximum security/maximum versatility ball mount assembly 2017-04-25
9242521 Multi-function hitch accessory retaining device and method 2016-01-26
8915514 Multi-task trailer hitch assembly 2014-12-23
8840130 Maximum security/maximum versatility ball mount assembly 2014-09-23
8534695 Multi-use clevis/ball combination hitch assembly 2013-09-17
8376387 Multi-function anti-rotational/anti-theft hitch ball assembly 2013-02-19
8371603 Maximum security/maximum versatility ball mount assembly 2013-02-12
8276932 Multi-task trailer hitch assembly 2012-10-02
8226107 Maximum security/maximum versatility ball mount assembly 2012-07-24
7784813 Multi-task trailer hitch assembly 2010-08-31