Inventor

DAVIS JOHN K

3 patents

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

SHOWELL A W SUGICRAFT LTD

1 patent

US4904261AFeb 27, 1990

Spinal implants

SHOWELL A W SUGICRAFT LTD1,301 citations95

GENTEX OPTICS INC

1 patent

US5604547AFeb 18, 1997

Aspheric/atoric wide field sunglasses and safety eyewear

GENTEX OPTICS INC75 citations92

GENTEX CORP

1 patent

US4310225AJan 12, 1982

Ophthalmic lens series

GENTEX CORP56 citations89