A. Derrell Hightower

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Stone Mountain, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Selectively removable block and pusher assembly and feed chain ther...
- Patent number 5,165,523
- Issue date Nov 24, 1992
- National Service Industries, Inc.
- Robert E. Wooley
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Bonded envelope stack and method and apparatus for making same
- Patent number 5,125,885
- Issue date Jun 30, 1992
- National Service Industries, Inc.
- Robert E. Wooley
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Method of making envelope with tear line formed by ultrasonic energy
- Patent number 5,030,189
- Issue date Jul 9, 1991
- National Services Industries, Inc.
- A. Derrell Hightower
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL