David A. Trower

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Waterloo, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Screwdriver holder
- Patent number 5,988,382
- Issue date Nov 23, 1999
- Waterloo Industries, Inc.
- Fred Philip Ritchie
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Tool box carrier
- Patent number 5,988,658
- Issue date Nov 23, 1999
- Waterloo Industries, Inc.
- Fred Philip Ritchie
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Portable container for sockets
- Patent number D403860
- Issue date Jan 12, 1999
- Waterloo Industries, Inc.
- Fred Philip Ritchie
- D03 - Travel goods and personal belongings
Information Patent Grant
Portable container for sockets
- Patent number 5,799,789
- Issue date Sep 1, 1998
- Waterloo Industries, Inc.
- Fred Philip Ritchie
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Portable storage assembly
- Patent number 5,575,401
- Issue date Nov 19, 1996
- Waterloo Industries, Inc.
- David A. Trower
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Portable storage assembly
- Patent number 5,518,139
- Issue date May 21, 1996
- Waterloo Industries, Inc.
- David A. Trower
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Portable storage container
- Patent number D355849
- Issue date Feb 28, 1995
- Waterloo Industries, Inc.
- David A. Trower
- D09 - Packages and containers for goods