DH

Douglas S. HIRSH

📍 Skaneateles, NY: #4 of 14 inventorsTop 30%
🗺 New York: #2,841 of 9,062 inventorsTop 35%
Overall (2025): #402,163 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12221952 Hydraulic continuous variable speed system having hydraulic and pneumatic speed controls and a method of use Radovan HRINDA 2025-02-11