William K. Fletcher

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Richmond, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Window lift mechanism
- Patent number 10,385,603
- Issue date Aug 20, 2019
- Parker-Hannifin Corporation
- William K. Fletcher
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Armored window drive mechanism and system
- Patent number 10,246,928
- Issue date Apr 2, 2019
- Milton Manufacturing Inc.
- William K. Fletcher
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
ARMORED WINDOW DRIVE MECHANISM AND SYSTEM
- Publication number 20180087309
- Publication date Mar 29, 2018
- MILTON MANUFACTURING INC.
- William K. Fletcher
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
WINDOW LIFT MECHANISM
- Publication number 20170328111
- Publication date Nov 16, 2017
- Parker-Hannifin Corporation
- William K. Fletcher
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES