Inventor
GEBHARD DENNIS E
US2 patents
Patents
2 patentsUS7060328B2Jun 13, 2006
Method of making a pre-greased collecting rod assembly for pollen and fungal spore sampling
SURVEILLANCE DATA INC0 citations39
US6696288B2Feb 24, 2004
Pre-greased collecting rod assembly for pollen and fungal spore sampling and method of making it
SURVEILLANCE DATA INC0 citations39