Joseph C. Trinkwalder, Jr.

SS Sherwood Selpac: 3 patents #1 of 1Top 100%

📍 North Tonawanda, NY: #1 of 12 inventorsTop 9%

🗺 New York: #121 of 3,580 inventorsTop 4%

Overall (1982): #4,383 of 81,411Top 6%

Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4360038	Magnetically-operated valve	—	1982-11-23
4356820	Heat reclaimer for demand regulator	—	1982-11-02
4335734	Float warning device	—	1982-06-22