John Y. McLeish Leaver

Follow

Person

Quincy, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Latching mechanism for panels
- Patent number 4,413,848
- Issue date Nov 8, 1983
- The Knapheide Mfg. Co.
- John Y. Leaver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Metal door and hinge construction
- Patent number 4,064,595
- Issue date Dec 27, 1977
- The Knapheide Manufacturing Co.
- John Y. McLeish Leaver
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES