Richard Sindelar

📍 Rock Island, WA: #1 of 4 inventorsTop 25%

🗺 Washington: #35,300 of 76,902 inventorsTop 50%

Overall (All Time): #2,104,095 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7905642	Exhaust stack and road tractor exhaust pipe	—	2011-03-15
D597461	Exhaust stack	—	2009-08-04