Washburn, Wisconsin
United States
2
2014-05-15
James E. Hamman from Washburn, US has applied for patents for these inventions. The list has both pending applications and granted patents:
NOISE ATTENUATING HIGH-VOLUME SUCTION TIP WITH AUTOMATIC INTEGRAL ON DEMAND VACUUM RELEASE VALVE MECHANISM
Noise attenuating high-volume suction tip with automatic integral on demand vacuum release valve mechanism
764103 ⎘