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Inventor

LEWIS DANIEL M

5 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS DANIEL M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ENVIROTECH CORP

3 patents
US4256553AMar 17, 1981

Recovering copper from chalcopyrite concentrate

ENVIROTECH CORP72 citations92
US4290865ASep 22, 1981

Recovering copper from a copper-bearing source

ENVIROTECH CORP10 citations70
US4359376ANov 16, 1982

Recovering copper from a copper-bearing source

ENVIROTECH CORP4 citations59

US HEALTH

1 patent
US7368256B2May 6, 2008

Antibodies against Stachybotrys chartarum and methods for their use

US HEALTH2 citations55

LEWIS DANIEL M

1 patent
USD348319SJun 28, 1994

Flashlight

LEWIS DANIEL M1 citations42