John F. Hollowell

Follow

Person

Garden City, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Service window
- Patent number 4,702,037
- Issue date Oct 27, 1987
- John R. Hollowell
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Battery powered vacuum trash collector
- Patent number 4,643,776
- Issue date Feb 17, 1987
- John R. Hollowell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Battery powered vacuum trash collector
- Patent number 4,535,501
- Issue date Aug 20, 1985
- John R. Hollowell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES