JJ

John H. Knowles, Jr.

📍 Essex, MA: #18 of 50 inventorsTop 40%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,649,056 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5575988 Combination sunscreen and insect repellent John C. Niles 1996-11-19
5438886 Volumetric measurement device for a dispensing container DeeAnn I. Yabusaki 1995-08-08
5383373 Method for measuring topical dosage dispensed DeeAnn I. Yabusaki 1995-01-24