Robert F. Sheahan

Follow

Person

Staten Island, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Local control apparatus for central station alarm system
- Patent number 4,459,582
- Issue date Jul 10, 1984
- American District Telegraph Company
- Robert F. Sheahan
- G08 - SIGNALLING
Information Patent Grant
Local control apparatus for central station alarm system
- Patent number 4,427,974
- Issue date Jan 24, 1984
- American District Telegraph Company
- Robert F. Sheahan
- G08 - SIGNALLING