David L. Green

Follow

Person

Ft. Myers Beach, FL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Controlled access programmable event timer system
- Patent number 4,769,765
- Issue date Sep 6, 1988
- David L. Green
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Rental contract timer system
- Patent number 4,624,578
- Issue date Nov 25, 1986
- David L. Green
- G06 - COMPUTING CALCULATING COUNTING