RM

Roy D. Mattson

ME Mattson Spray Equipment: 2 patents #1 of 5Top 20%
AL Agresearch Limited: 1 patents #167 of 547Top 35%
📍 White Bear Lake, MN: #96 of 561 inventorsTop 20%
🗺 Minnesota: #9,275 of 52,454 inventorsTop 20%
Overall (All Time): #670,260 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5169070 Air directing ring for fluid spray gun air cap 1992-12-08
5115552 Method of making a dynamic seal for a liquid pump or spray gun 1992-05-26
4972865 Anti-spillage and anti-drip device 1990-11-27
4959159 Ball and socket attachment for fluid spray gun plunger 1990-09-25
4934602 Adjustable fluid spray gun with air transition nozzle 1990-06-19
4817872 Adjustable fluid spray gun 1989-04-04
4738987 Composition for skin care Reynold E. Holmen 1988-04-19
4371997 Adjustable firmness cushion with multiple layered foam-filled compartments 1983-02-08