DH

David Henderson

AV Avco: 4 patents #14 of 228Top 7%
Illinois Tool Works: 1 patents #2,292 of 4,258Top 55%
Overall (All Time): #397,521 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12379183 Angled support grip for firearms 2025-08-05
D1077121 Angled support grip for a firearm 2025-05-27
11549780 Accuracy ring for firearms 2023-01-10
8671805 Ceiling support installation system Michael Feron, So Nguyen Lam 2014-03-18
4687943 Optical motion picture film inspection system Howard Bowen, Carl Olson 1987-08-18
4652124 Film inspection system Howard Bowen, Carl Olson 1987-03-24
4652125 Film inspection system Howard Bowen, Carl Olson 1987-03-24
4649828 Explosively forged penetrator warhead Chang-Sheng Ting 1987-03-17
4637313 Earth penetrator James A. Hollowell, Howard A. Woodbury 1987-01-20
RE32094 Overflying munitions device and system John V. Atanasoff, W. Kenneth Clark, Kenneth W. Wreghitt 1986-03-25
4356770 Overflying munitions device and system John V. Atanasoff, W. Kenneth Clark, Kenneth W. Wreghitt 1982-11-02
4252255 Mechanism for purging a plural component mixing and dispensing gun 1981-02-24