DP

Derek Parker

PW Primary Weapons: 3 patents #2 of 3Top 70%
OS O.F. Mossberg & Sons: 2 patents #8 of 38Top 25%
Overall (All Time): #772,225 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12203718 Firearm for use with ordnance of varying lengths Thaddeus Boruchowski, David A. Johnson, Wayne Hopkins 2025-01-21
11598596 Firearm for use with ordnance of varying lengths Thaddeus Boruchowski, David A. Johnson, Wayne Hopkins 2023-03-07
10041751 Rotary lockup action Dean Sylvester 2018-08-07
9733031 Rotary lockup action Dean Sylvester 2017-08-15
D788251 Pistol charging handle grip Dean Sylvester 2017-05-30
D400475 Sled 1998-11-03