P

Inventor

WARD JOHN R

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

MINNESOTA MINING & MFG

4 patents
US4017351AApr 12, 1977

System and device for inflating and sealing air inflated cushioning material

MINNESOTA MINING & MFG252 citations98
US3938298AFeb 17, 1976

System for inflation and sealing of air cushions

MINNESOTA MINING & MFG187 citations98
US4052240AOct 4, 1977

Taping device and method of taping

MINNESOTA MINING & MFG12 citations73
US4052935AOct 11, 1977

Printing device

MINNESOTA MINING & MFG10 citations72

WARD JOHN R

1 patent
US9514719B1Dec 6, 2016

Pivot hinge for a collapsible stringed musical instrument

WARD JOHN R25 citations90

SUNCOR INC

1 patent
US4616454AOct 14, 1986

Slant service rig

SUNCOR INC28 citations83

TRAINING ASSOC INC

1 patent
US4205462AJun 3, 1980

Scheme training apparatus for teaching mail sorting and the like

TRAINING ASSOC INC9 citations67

TRAINING ASSOCIATES INC

1 patent
US4378217AMar 29, 1983

Terminal trainer keyboard and display apparatus for teaching keyboard operations and knowledge items

TRAINING ASSOCIATES INC14 citations66

US NAVY

1 patent
US5149346ASep 22, 1992

Apparatus for reduction of vibration in liquid-injected gas compressor system

US NAVY6 citations58