Mark U. Krumhansl

📍 Tustin, CA: #354 of 1,327 inventorsTop 30%

🗺 California: #124,610 of 386,348 inventorsTop 35%

Overall (All Time): #1,305,505 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4655252	Valves	—	1987-04-07
4621613	Pool and spa heating and cooling	—	1986-11-11
4353412	Heating and cooling system	—	1982-10-12
4300909	Process control	—	1981-11-17