Elbert M. Spencer

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Wildwood, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Combination operated trigger lock for firearms
- Patent number D393305
- Issue date Apr 7, 1998
- The Eastern Company
- Michael O. Misner
- D22 - Arms, pyrotechnics, hunting and fishing equipment
Information Patent Grant
Key for rotary plug and cylinder lock, and method of forming the key
- Patent number 5,531,084
- Issue date Jul 2, 1996
- The Eastern Company
- Timothy P. Laabs
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Key operated rotary plug and cylinder lock
- Patent number 5,485,735
- Issue date Jan 23, 1996
- The Eastern Company
- Timothy P. Laabs
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Method for assembly of anti-static switch lock
- Patent number 4,566,167
- Issue date Jan 28, 1986
- The Eastern Company
- Stanley C. Wolniak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anti-static switch lock and method for assembly thereof
- Patent number 4,427,852
- Issue date Jan 24, 1984
- The Eastern Company
- Stanley C. Wolniak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anti-static switch lock
- Patent number 4,405,843
- Issue date Sep 20, 1983
- The Eastern Company
- Stanley C. Wolniak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyless padlock
- Patent number 3,966,247
- Issue date Jun 29, 1976
- Madge Canter Associates, Inc.
- Fred Muller
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS