P

Inventor

HALKYARD JOHN E

US5 patents
⚠️ This page may combine multiple inventors who share the name “HALKYARD JOHN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV MAINE SYSTEM

1 patent

DEEP OIL TECHNOLOGY INC

1 patent

BAILEY STEPHEN L

1 patent

LOCKHEED CORP

1 patent

HALKYARD JOHN E

1 patent