Inventor

STEVENSON DAVID L

US19 patents

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

STEVENSON DAVID L

S1 TECH INC

System and method for determining volume of fluid in a tank

System and method for identifying a fuel loss

Redundant data communication system for confirming a fuel event and method therefor

System and method for determining volume of fluid in a tank

System and method for determining volume of fluid in a tank

System and method for determining volume of fluid in a tank

System and method for identifying a fuel loss event

STEVENSON DAVID L

Data display unit

Air spring load monitoring system

Fishing reel

TRANSGUARD IND INC

Electronic security seal

Locking seal

SCHMELZER CORP

Vacuum pressure regulator

Coolant injector

TRANSGUARD IND

Protection device for bolt seal and hasp

TRANSGAURD IND INC

Lock and tool therefor

BROOKS CO E J

Seal

(unassigned)

Shackle pin with internal signal conditioner

TRANGUARD IND INC

Bolt seal lock device